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Page 1: CAT 2006 Solved Paper

Indiatimes Mindscape Testcentre CAT 2006 - SOLVED PAPER

1 www.testcentre.indiatimes.com

CAT2006 -

SOLVED PAPER(PDF Format)

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SECTION I

Section I has 25 questions.

Answer Questions 1 to 5 on the basis of the information given below:Two traders, Chetan and Michael, were involved in the buying and selling of MCS shares over five trading days. At the beginning of thefirst day, the MCS share was priced at Rs 100, while at the end of the fifth day it was priced at Rs 110. At the end of each day, the MCS shareprice either went up by Rs 10, or else, it came down by Rs 10. Both Chetan and Michael took buying and selling decisions at the end of eachtrading day. The beginning price of MCS share on a given day was the same as the ending price of the previous day. Chetan and Michaelstarted with the same number of shares and amount of cash, and had enough of both. Below are some additional facts about how Chetanand Michael traded over the five trading days.• Each day if the price went up, Chetan sold 10 shares of MCS at the closing price. On the other hand, each day if the price went down,

he bought 10 shares at the closing price.• If on any day, the closing price was above Rs 110, then Michael sold 10 shares of MCS, while if it was below Rs 90, he bought 10

shares, all at the closing price.

1. If Chetan sold 10 shares of MCS on three consecutive days, while Michael sold 10 shares only once during the five days, what wasthe price of MCS at the end of day 3?(1) Rs 90 (2) Rs 100 (3) Rs 110 (4) Rs 120 (5) Rs 130

2. If Michael ended up with 20 more shares than Chetan at the end of day 5, what was the price of the share at the end of day 3?(1) Rs 90 (2) Rs 100 (3) Rs 110 (4) Rs 120 (5) Rs 130

3. What could have been the maximum possible increase in combined cash balance of Chetan and Michael at the end of the fifth day?(1) Rs 3700 (2) Rs 4000 (3) Rs 4700 (4) Rs 5000 (5) Rs 6000

4. If Chetan ended up with Rs 1300 more cash than Michael at the end of day 5, what was the price of MCS share at the end of day 4?(1) Rs 90 (2) Rs 100 (3) Rs 110 (4) Rs 120(5) Not uniquely determinable

5. If Michael ended up with Rs 100 less cash than Chetan at the end of day 5, what was the difference in the number of shares possessedby Michael and Chetan (at the end of day 5)?(1) Michael had 10 less shares than Chetan. (2) Michael had 10 more shares than Chetan.(3) Chetan had 10 more shares than Michael. (4) Chetan had 20 more shares than Michael.(5) Both had the same number of shares.

Answer Questions 6 to 10 on the basis of the information given below:A significant amount of traffic flows from point S to point T in the one-way street network shown below. Points A, B, C, and D are junctionsin the network, and the arrows mark the direction of traffic flow. The fuel cost in rupees for travelling along a street is indicated by thenumber adjacent to the arrow representing the street.

S CB

A

D

T

9

2

25

23

7 1 6

Motorists travelling from point S to point T would obviously take the route for which the total cost of travelling is the minimum. If two ormore routes have the same least travel cost, then motorists are indifferent between them. Hence, the traffic gets evenly distributed amongall the least cost routes.The government can control the flow of traffic only by levying appropriate toll at each junction. For example, if a motorist takes the routeS-A-T (using junction A alone), then the total cost of travel would be Rs 14 (i.e., Rs 9 + Rs 5) plus the toll charged at junction A.

2006 CAT SOLVED PAPER

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6. If the government wants to ensure that the traffic at S gets evenly distributed along streets from S to A, from S to B, and from S to D,then a feasible set of toll charged (in rupees) at junctions A, B, C, and D respectively to achieve this goal is:(1) 0, 5, 4, 1 (2) 0, 5, 2, 2 (3) 1, 5, 3, 3 (4) 1,5,3,2 (5) 0, 4, 3, 2

7. If the government wants to ensure that no traffic flows on the street from D to T, while equal amount of traffic flows through junctionsA and C, then a feasible set of toll charged (in rupees) at junctions A, B, C, and D respectively to achieve this goal is:(1) 1, 5, 3, 3 (2) 1, 4, 4, 3 (3) 1, 5, 4, 2 (4) 0, 5, 2, 3 (5) 0, 5, 2, 2

8. If the government wants to ensure that all motorists travelling from S to T pay the same amount (fuel costs and toll combined)regardless of the route they choose and the street from B to C is under repairs (and hence unusable), then a feasible set of tollcharged (in rupees) at junctions A, B, C, and D respectively to achieve this goal is:(1) 2, 5, 3, 2 (2) 0, 5, 3, 1 (3) 1, 5, 3, 2 (4) 2, 3, 5, 1 (5) 1, 3, 5, 1

9. If the government wants to ensure that all routes from S to T get the same amount of traffic, then a feasible set of toll charged (inrupees) at junctions A, B, C, and D respectively to achieve this goal is:(1) 0, 5, 2, 2 (2) 0, 5,4, 1 (3) 1, 5, 3, 3 (4) 1, 5, 3, 2 (5) 1, 5, 4, 2

10. The government wants to devise a toll policy such that the total cost to the commuters per trip is minimized. The policy should alsoensure that not more than 70 per cent of the total traffic passes through junction B. The cost incurred by the commuter travelling frompoint S to point T under this policy will be:(1) Rs 7 (2) Rs 9 (3) Rs 10 (4) Rs 13 (5) Rs 14

Answer Questions 11 to 15 on the basis of the information given below:Mathematicians are assigned a number called Erdös number (named after the famous mathematician, Paul Erdös). Only Paul Erdös himselfhas an Erdös number of zero. Any mathematician who has written a research paper with Erdös has an Erdös number of 1. For othermathematicians, the calculation of his/her Erdös number is illustrated below:Suppose that a mathematician X has co-authored papers with several other mathematicians. From among them, mathematician Y has thesmallest Erdös number. Let the Erdös number of Y be y. Then X has an Erdös number of y + 1. Hence any mathematician with no co-authorship chain connected to Erdös has an Erdös number of infinity.In a seven day long mini-conference organized in memory of Paul Erdös, a close group of eight mathematicians, call them A, B, C, D, E, F,G and H, discussed some research problems. At the beginning of the conference, A was the only participant who had an infinite Erdösnumber. Nobody had an Erdös number less than that of F.• On the third day of the conference F co-authored a paper jointly with A and C. This reduced the average Erdös number of the group

of eight mathematicians to 3. The Erdös numbers of B, D, E, G and H remained unchanged with the writing of this paper. Further, noother co-authorship among any three members would have reduced the average Erdös number of the group of eight to as low as 3.

• At the end of the third day, five members of this group had identical Erdös numbers while the other three had Erdös numbers distinctfrom each other.

• On the fifth day, E co-authored a paper with F which reduced the group’s average Erdös number by 0.5. The Erdös numbers of theremaining six were unchanged with the writing of this paper.

• No other paper was written during the conference.

11. The Erdös number of C at the end of the conference was:(1) 1 (2) 2 (3) 3 (4) 4 (5) 5

12. The Erdös number of E at the beginning of the conference was:(1) 5 (2) 5 (3) 6 (4) 7 (5) 8

13. How many participants had the same Erdös number at the beginning of the conference?(1) 2 (2) 3 (3) 4 (4) 5(5) cannot be determined

14. The person having the largest Erdös number at the end of the conference must have had Erdös number (at that time):(1) 5 (2) 7 (3) 9 (4) 14 (5) 15

15. How many participants in the conference did not change their Erdös number during the conference?(1) 2 (2) 3 (3) 4 (4) 5(5) cannot be determined

Answer Questions 16 to 20 on the basis of the information given below:K, L, M, N, P, Q, R, S, U and W are the only ten members in a department. There is a proposal to form a team from within the members of thedepartment, subject to the following conditions:• A team must include exactly one among P, R, and S.• A team must include either M or Q, but not both.• If a team includes K, then it must also include L, and vice versa.

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• If a team includes one among S, U, and W, then it must also include the other two.• L and N cannot be members of the same team.• L and U cannot be members of the same team.The size of a team is defined as the number of members in the team.

16. Who can be a member of a team of size 5?(1) K (2) L (3) M (4) P (5) R

17. Who cannot be a member of a team of size 3?(1) L (2) M (3) N (4) P (5) Q

18. What could be the size of a team that includes K?(1) 2 or 3 (2) 2 or 4 (3) 3 or 4 (4) Only 2 (5) Only 4

19. In how many ways a team can be constituted so that the team includes N?(1) 2 (2) 3 (3) 4 (4) 5 (5) 6

20. What would be the size of the largest possible team?(1) 8 (2) 7 (3) 6 (4) 5(5) cannot be determined

Answer Questions 21 to 25 on the basis of the information given below:In a Class X Board examination, ten papers are distributed over five Groups - PCB, Mathematics, Social Science, Vernacular and English.Each of the ten papers is evaluated out of 100. The final score of a student is calculated in the following manner. First, the Group Scores areobtained by averaging marks in the papers within the Group. The final score is the simple average of the Group Scores. The data for the topten students are presented below. (Dipan’s score in English Paper II has been intentionally removed in the table.)

Phy Chem. Bio. Hist. Geo. Paper I Paper II Paper I Paper II

Ayesha (G) 98 96 97 98 95 93 94 96 96 98 96.2Ram (B) 97 99 95 97 95 96 94 94 96 98 96.1Dipan (B) 98 98 98 95 96 95 96 94 96 ? 96.0Sagnik (B) 97 98 99 96 96 98 94 97 92 94 95.9Sanjiv (B) 95 96 97 98 97 96 92 93 95 96 95.7Shreya (G) 96 89 85 100 97 98 94 95 96 95 95.5Joseph (B) 90 94 98 100 94 97 90 92 94 95 95.0Agni (B) 96 99 96 99 95 96 82 93 92 93 94.3Pritam (B) 98 98 95 98 83 95 90 93 94 94 93.9Tirna (G) 96 98 97 99 85 94 92 91 87 96 93.7

Vernacular Group English Group Final Score

PCB GroupName of the student

Mathematics Group

Social Science Group

Note: B or G against the name of a student respectively indicates whether the student is a boy or a girl.

21. How much did Dipan get in English Paper II?(1) 94 (2) 96.5 (3) 97 (4) 98 (4) 99

22. Had Joseph, Agni, Pritam and Tirna each obtained Group Score of 100 in the Social Science Group, then their standing in decreasingorder of final score would be:(1) Pritam, Joseph, Tirna, Agni (2) Joseph, Tirna, Agni, Pritam(3) Pritam, Agni, Tirna, Joseph (4) Joseph, Tirna, Pritam, Agni(5) Pritam, Tirna, Agni, Joseph

23. Each of the ten students was allowed to improve his/her score in exactly one paper of choice with the objective of maximizing his/herfinal score. Everyone scored 100 in the paper in which he or she chose to improve. After that, the topper among the ten students was:(1) Ram (2) Agni (3) Pritam (4) Ayesha (5) Dipan

24. Among the top ten students, how many boys scored at least 95 in at least one paper from each of the groups?(1) 1 (2) 2 (3) 3 (4) 4 (5) 5

25. Students who obtained Group Scores of at least 95 in every group are eligible to apply for a prize. Among those who are eligible, thestudent obtaining the highest Group Score in Social Science Group is awarded this prize. The prize was awarded to:(1) Shreya (2) Ram (3) Ayesha (4) Dipan(5) no one from the top ten

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SECTION II

Section II has 25 questions.

Directions for Questions 26 to 30: Each question has a set of four sequentially ordered statements. Each statement can be classified asone of the following:– Facts, which deal with pieces of information that one has heard, seen or read, and which are open to discovery or verification (the

answer option indicates such a statement with an ‘F’).– Inferences, which are conclusions drawn about the unknown, on the basis of the known (the answer option indicates such a

statement with an ‘I’).– Judgements, which are opinions that imply approval or disapproval of persons, objects, situations and occurrences in the past, the

present or the future (the answer option indicates such a statement with a 'J').

Select the answer option that best describes the set of four statements.

26.1. We should not be hopelessly addicted to an erroneous belief that corruption in India is caused by the crookedness of Indians.2. The truth is that we have more red tape - we take eighty-nine days to start a small business, Australians take two.3. Red tape leads to corruption and distorts a people’s character.4. Every red tape procedure is a point of contact with an official, and such contacts have the potential to become opportunities for

money to change hands.(1) JFIF (2) JFJJ (3) JIJF (4) IFJF (5) JFJI

27.1. Given the poor quality of service in the public sector, the HIV/AIDS affected should be switching to private initiatives that supply

anti-retroviral drugs (ARVs) at a low cost.2. The government has been supplying free drugs since 2004, and 35000 have benefited up to now - though the size of the affected

population is 150 times this number.3. The recent initiatives of networks and companies like AIDSCare Network, Emcure, Reliance-Cipla-CII, would lead to availability of

much-needed drugs to a larger number of affected people.4. But how ironic it is that we should face a perennial shortage of drugs when India is one of the world’s largest suppliers of generic

drugs to the developing world.(1) JFIJ (2) JIIJ (3) IFIJ (4) IFFJ (5) JFII

28.1. According to all statistical indications, the Sarva Shiksha Abhiyan has managed to keep pace with its ambitious goals.2. The Mid-day Meal Scheme has been a significant incentive for the poor to send their little ones to school, thus establishing the vital

link between healthy bodies and healthy minds.3. Only about 13 million children in the age group of 6 to 14 years are out of school.4. The goal of universalisation of elementary education has to be a pre-requisite for the evolution and development of our country.

(1) IJFJ (2) JIIJ (3) IJFJ (4) IJFI (5) JIFI29.1. Inequitable distribution of all kinds of resources is certainly one of the strongest and most sinister sources of conflict.2. Even without war, we know that conflicts continue to trouble us - they only change in character.3. Extensive disarmament is the only insurance for our future; imagine the amount of resources that can be released and redeployed.4. The economies of the industrialized western world derive 20% of their income from the sale of all kinds of arms.

(1) IJJI (2) JIJF (3) IIJF (4) JIIF (5) IJIF30.1. So much of our day-to-day focus seems to be on getting things done, trudging our way through the tasks of living - it can feel like

a treadmill that gets you nowhere; where is the childlike joy?2. We are not doing the things that make us happy; that which brings us joy; the things that we cannot wait to do because we enjoy

them so much.3. This is the stuff that joyful living is made of - identifying your calling and committing yourself wholeheartedly to it.4. When this happens, each moment becomes a celebration of you; there is a rush of energy that comes with feeling completely

immersed in doing what you love most.(1) IIIJ (2) IFIJ (3) JFJJ (4) JJJJ (5) JFIl

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Directions for Questions 31 to 35: The passage given below is followed by a set of five questions. Choose the most appropriate answerto each question.

Our propensity to look out for regularities, and to impose laws upon nature, leads to the psychological phenomenon of dogmatic thinkingor, more generally, dogmatic behaviour: we expect regularities everywhere and attempt to find them even where there are none; eventswhich do not yield to these attempts we are inclined to treat as a kind of ‘background noise’; and we stick to our expectations even whenthey are inadequate and we ought to accept defeat. This dogmatism is to some extent necessary. It is demanded by a situation which canonly be dealt with by forcing our conjectures upon the world. Moreover, this dogmatism allows us to approach a good theory in stages,by way of approximations: if we accept defeat too easily, we may prevent ourselves from finding that we were very nearly right.

It is clear that this dogmatic attitude, which makes us stick to our first impressions, is indicative of a strong belief; while a critical attitude,which is ready to modify its tenets, which admits doubt and demands tests, is indicative of a weaker belief. Now according to Hume’stheory, and to the popular theory, the strength of a belief should be a product of repetition; thus it should always grow with experience, andalways be greater in less primitive persons. But dogmatic thinking, an uncontrolled wish to impose regularities, a manifest pleasure in ritesand in repetition as such, is characteristic of primitives and children; and increasing experience and maturity sometimes create an attitudeof caution and criticism rather than of dogmatism.

My logical criticism of Hume’s psychological theory, and the considerations connected with it, may seem a little removed from the field ofthe philosophy of science. But the distinction between dogmatic and critical thinking, or the dogmatic and the critical attitude, brings usright back to our central problem. For the dogmatic attitude is clearly related to the tendency to verify our laws and schemata by seekingto apply them and to confirm them, even to the point of neglecting refutations, whereas the critical attitude is one of readiness to changethem - to test them; to refute them; to falsify them, if possible. This suggests that we may identify the critical attitude with the scientificattitude, and the dogmatic attitude with the one which we have described as pseudo-scientific. It further suggests that geneticallyspeaking the pseudo-scientific attitude is more primitive than, and prior to, the scientific attitude: that it is a pre-scientific attitude. And thisprimitivity or priority also has its logical aspect. For the critical attitude is not so much opposed to the dogmatic attitude as super-imposedupon it: criticism must be directed against existing and influential beliefs in need of critical revision - in other words, dogmatic beliefs. Acritical attitude needs for its raw material, as it were, theories or beliefs which are held more or less dogmatically.

Thus, science must begin with myths, and with the criticism of myths; neither with the collection of observations, nor with the inventionof experiments, but with the critical discussion of myths, and of magical techniques and practices. The scientific tradition is distinguishedfrom the pre-scientific tradition in having two layers. Like the latter, it passes on its theories; but it also passes on a critical attitude towardsthem. The theories are passed on, not as dogmas, but rather with the challenge to discuss them and improve upon them.

The critical attitude, the tradition of free discussion of theories with the aim of discovering their weak spots so that they may be improvedupon, is the attitude of reasonableness, of rationality. From the point of view here developed, all laws, all theories, remain essentiallytentative, or conjectural, or hypothetical, even when we feel unable to doubt them any longer. Before a theory has been refuted we cannever know in what way it may have to be modified.

31. In the context of science, according to the passage, the interaction of dogmatic beliefs and critical attitude can be best describedas:(1) A duel between two warriors in which one has to die(2) The effect of a chisel on a marble stone while making a sculpture(3) The feedstock (natural gas) in fertilizer industry being transformed into fertilizers(4) A predator killing its prey.(5) The effect of fertilizers on a sapling.

32. According to the passage, the role of a dogmatic attitude or dogmatic behaviour in the development of science is(1) critical and important, as, without it, initial hypotheses or conjectures can never be made.(2) positive, as conjectures arising out of our dogmatic attitude become science.(3) negative, as it leads to pseudo-science.(4) neutral, as the development of science is essentially because of our critical attitude.(5) inferior to critical attitude, as a critical attitude leads to the attitude of reasonableness and rationality.

33. Dogmatic behaviour, in this passage, has been associated with primitives and children. Which of the following best describes thereason why the author compares primitives with children?(1) Primitives are people who are not educated, and hence can be compared with children, who have not yet been through school(2) Primitives are people who, though not modern, are as innocent as children.(3) Primitives are people without a critical attitude, just as children are.(4) Primitives are people in the early stages of human evolution; similarly, children are in the early stages of their lives.(5) Primitives are people who are not civilized enough, just as children are not.

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34. Which of the following statements best supports the argument in the passage that a critical attitude leads to a weaker belief than adogmatic attitude does?(1) A critical attitude implies endless questioning, and, therefore, it cannot lead to strong beliefs.(2) A critical attitude, by definition, is centred on an analysis of anomalies and “noise”.(3) A critical attitude leads to questioning everything, and in the process generates “noise” without any conviction.(4) A critical attitude is antithetical to conviction, which is required for strong beliefs.(5) A critical attitude leads to questioning and to tentative hypotheses.

35. According to the passage, which of the following statements best describes the difference between science and pseudo-science?(1) Scientific theories or hypothesis are tentatively true whereas pseudo-sciences are always true.(2) Scientific laws and theories are permanent and immutable whereas pseudo-sciences are contingent on the prevalent mode ofthinking in a society.(3) Science always allows the possibility of rejecting a theory or hypothesis, whereas pseudo-sciences seek to validate their ideasor theories.(4) Science focuses on anomalies and exceptions so that fundamental truths can be uncovered, whereas pseudo-sciences focusmainly on general truths.(5) Science progresses by collection of observations or by experimentation, whereas pseudo-sciences do not worry aboutobservations and experiments.

Directions for Questions 36 to 40: The passage given below is followed by a set of five questions. Choose the most appropriate answerto each question.

Fifteen years after communism was officially pronounced dead, its spectre seems once again to be haunting Europe. Last month, theCouncil of Europe’s parliamentary assembly voted to condemn the “crimes of totalitarian communist regimes,” linking them with Nazismand complaining that communist parties are still “legal and active in some countries.” Now Goran Lindblad, the conservative Swedish MPbehind the resolution, wants to go further. Demands that European Ministers launch a continent-wide anti-communist campaign - includingschool textbook revisions, official memorial days, and museums - only narrowly missed the necessary two-thirds majority. Mr. Lindbladpledged to bring the wider plans back to the Council of Europe in the coming months.

He has chosen a good year for his ideological offensive: this is the 50th anniversary of Nikita Khrushchev’s denunciation of Josef Stalinand the subsequent Hungarian uprising, which will doubtless be the cue for further excoriation of the communist record. Paradoxically,given that there is no communist government left in Europe outside Moldova, the attacks have if anything, become more extreme as timehas gone on. A clue as to why that might be can be found in the rambling report by Mr. Lindblad that led to the Council of Europedeclaration. Blaming class struggle and public ownership, he explained “different elements of communist ideology such as equality orsocial justice still seduce many” and “a sort of nostalgia for communism is still alive.” Perhaps the real problem for Mr. Lindblad and hisright-wing allies in Eastern Europe is that communism is not dead enough - and they will only be content when they have driven a stakethrough its heart.

The fashionable attempt to equate communism and Nazism is in reality a moral and historical nonsense. Despite the cruelties of the Stalinterror, there was no Soviet Treblinka or Sorbibor, no extermination camps built to murder millions. Nor did the Soviet Union launch the mostdevastating war in history at a cost of more than 50 million lives - in fact it played the decisive role in the defeat of the German war machine.Mr. Lindblad and the Council of Europe adopt as fact the wildest estimates of those “killed by communist regimes” (mostly in famines) fromthe fiercely contested Black Book of Communism, which also underplays the number of deaths attributable to Hitler. But, in any case, noneof this explains why anyone might be nostalgic in former communist states, now enjoying the delights of capitalist restoration. Thedominant account gives no sense of how communist regimes renewed themselves after 1956 or why Western leaders feared they mightovertake the capitalist world well into the 1960s. For all its brutalities and failures, communism in the Soviet Union, Eastern Europe, andelsewhere delivered rapid industrialization, mass education, job security, and huge advances in social and gender equality. Its existencehelped to drive up welfare standards in the West, and provided a powerful counterweight to Western global domination.

It would be easier to take the Council of Europe’s condemnation of communist state crimes seriously if it had also seen fit to denounce thefar bloodier record of European colonialism - which only finally came to an end in the 1970s. This was a system of racist despotism, whichdominated the globe in Stalin’s time. And while there is precious little connection between the ideas of fascism and communism, there isan intimate link between colonialism and Nazism. The terms lebensraum and konzentrationslager were both first used by the Germancolonial regime in south-west Africa (now Namibia), which committed genocide against the Herero and Nama peoples and bequeathed itsideas and personnel directly to the Nazi party.

Around 10 million Congolese died as a result of Belgian forced labour and mass murder in the early twentieth century; tens of millionsperished in avoidable or enforced famines in British-ruled India; up to a million Algerians died in their war for independence, while

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controversy now rages in France about a new law requiring teachers to put a positive spin on colonial history. Comparable atrocities werecarried out by all European colonialists, but not a word of condemnation from the Council of Europe. Presumably, European lives count formore.

No major twentieth century political tradition is without blood on its hands, but battles over history are more about the future than the past.Part of the current enthusiasm in official Western circles for dancing on the grave of communism is no doubt about relations with today’sRussia and China. But it also reflects a determination to prove there is no alternative to the new global capitalist order - and that any attemptto find one is bound to lead to suffering. With the new imperialism now being resisted in the Muslim world and Latin America, growinginternational demands for social justice and ever greater doubts about whether the environmental crisis can be solved within the existingeconomic system, the pressure for alternatives will increase.

36. Among all the apprehensions that Mr. Goran Lindblad expresses against communism, which one gets admitted, although indirectly,by the author?(1) There is nostalgia for communist ideology even if communism has been abandoned by most European nations.(2) Notions of social justice inherent in communist ideology appeal to critics of existing systems.(3) Communist regimes were totalitarian and marked by brutalities and large scale violence.(4) The existing economic order is wrongly viewed as imperialistic by proponents of communism.(5) Communist ideology is faulted because communist regimes resulted in economic failures.

37. What, according to the author, is the real reason for a renewed attack against communism?(1) Disguising the unintended consequences of the current economic order such as social injustice and environmental crisis.(2) Idealising the existing ideology of global capitalism.(3) Making communism a generic representative of all historical atrocities, especially those perpetrated by the European imperialists.(4) Communism still survives, in bits and pieces, in the minds and hearts of people.(5) Renewal of some communist regimes has led to the apprehension that communist nations might overtake the capitalists.

38. The author cites examples of atrocities perpetrated by European colonial regimes in order to(1) compare the atrocities committed by colonial regimes with those of communist regimes.(2) prove that the atrocities committed by colonial regimes were more than those of communist regimes.(3) prove that, ideologically, communism was much better than colonialism and Nazism.(4) neutralise the arguments of Mr. Lindblad and to point out that the atrocities committed by colonial regimes were more thanthose of communist regimes.(5) neutralise the arguments of Mr. Lindblad and to argue that one needs to go beyond and look at the motives of these regimes.

39. Why, according to the author, is Nazism closer to colonialism than it is to communism?(1) Both colonialism and Nazism were examples of tyranny of one race over another.(2) The genocides committed by the colonial and the Nazi regimes were of similar magnitude.(3) Several ideas of the Nazi regime were directly imported from colonial regimes.(4) Both colonialism and Nazism are based on the principles of imperialism.(5) While communism was never limited to Europe, both the Nazis and the colonialists originated in Europe.

40. Which of the following cannot be inferred as a compelling reason for the silence of the Council of Europe on colonial atrocities?(1) The Council of Europe being dominated by erstwhile colonialists.(2) Generating support for condemning communist ideology.(3) Unwillingness to antagonize allies by raking up an embarrassing past.(4) Greater value seemingly placed on European lives.(5) Portraying both communism and Nazism as ideologies to be condemned.

Directions for Questions 41 to 45: The passage given below is followed by a set of five questions. Choose the most appropriate answerto each question.My aim is to present a conception of justice which generalizes and carries to a higher level of abstraction the familiar theory of the socialcontract. In order to do this we are not to think of the original contract as one to enter a particular society or to set up a particular form ofgovernment. Rather, the idea is that the principles of justice for the basic structure of society are the object of the original agreement. Theyare the principles that free and rational persons concerned to further their own interests would accept in an initial position of equality.These principles are to regulate all further agreements; they specify the kinds of social cooperation that can be entered into and the formsof government that can be established. This way of regarding the principles of justice, I shall call justice as fairness. Thus, we are toimagine that those who engage in social cooperation choose together, in one joint act, the principles which are to assign basic rights andduties and to determine the division of social benefits. Just as each person must decide by rational reflection what constitutes his good,that is, the system of ends which it is rational for him to pursue, so a group of persons must decide once and for all what is to count amongthem as just and unjust. The choice which rational men would make in this hypothetical situation of equal liberty determines the principlesof justice.

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In ‘justice as fairness’, the original position is not an actual historical state of affairs. It is understood as a purely hypothetical situationcharacterized so as to lead to a certain conception of justice. Among the essential features of this situation is that no one knows his placein society, his class position or social status, nor does anyone know his fortune in the distribution of natural assets and abilities, hisintelligence, strength, and the like. I shall even assume that the parties do not know their conceptions of the good or their specialpsychological propensities. The principles of justice are chosen behind a veil of ignorance. This ensures that no one is advantaged ordisadvantaged in the choice of principles by the outcome of natural chance or the contingency of social circumstances. Since all aresimilarly situated and no one is able to design principles to favor his particular condition, the principles of justice are the result of a fairagreement or bargain.

Justice as fairness begins with one of the most general of all choices which persons might make together, namely, with the choice of the firstprinciples of a conception of justice which is to regulate all subsequent criticism and reform of institutions. Then, having chosen aconception of justice, we can suppose that they are to choose a constitution and a legislature to enact laws, and so on, all in accordancewith the principles of justice initially agreed upon. Our social situation is just if it is such that by this sequence of hypothetical agreementswe would have contracted into the general system of rules which defines it. Moreover, assuming that the original position does determinea set of principles, it will then be true that whenever social institutions satisfy these principles, those engaged in them can say to oneanother that they are cooperating on terms to which they would agree if they were free and equal persons whose relations with respect toone another were fair. They could all view their arrangements as meeting the stipulations which they would acknowledge in an initialsituation that embodies widely accepted and reasonable constraints on the choice of principles. The general recognition of this fact wouldprovide the basis for a public acceptance of the corresponding principles of justice. No society can, of course, be a scheme of cooperationwhich men enter voluntarily in a literal sense; each person finds himself placed at birth in some particular position in some particularsociety, and the nature of this position materially affects his life prospects. Yet a society satisfying the principles of justice as fairnesscomes as close as a society can to being a voluntary scheme, for it meets the principles which free and equal persons would assent to undercircumstances that are fair.

41. A just society, as conceptualized in the passage, can be best described as:(1) A Utopia in which everyone is equal and no one enjoys any privilege based on their existing positions and powers.(2) A hypothetical society in which people agree upon principles of justice which are fair.(3) A society in which principles of justice are not based on the existing positions and powers of the individuals.(4) A society in which principles of justice are fair to all.(5) A hypothetical society in which principles of justice are not based on the existing positions and powers of the individuals.

42. The original agreement or original position in the passage has been used by the author as:(1) A hypothetical situation conceived to derive principles of justice which are not influenced by position, status and condition of

individuals in the society.(2) A hypothetical situation in which every individual is equal and no individual enjoys any privilege based on the existing

positions and powers.(3) A hypothetical situation to ensure fairness of agreements among individuals in society.(4) An imagined situation in which principles of justice would have to be fair.(5) An imagined situation in which fairness is the objective of the principles of justice to ensure that no individual enjoys any

privilege based on the existing positions and powers.43. Which of the following best illustrates the situation that is equivalent to choosing ‘the principles of justice’ behind a ‘veil of

ignorance’?(1) The principles of justice are chosen by businessmen, who are marooned on an uninhabited island after a shipwreck, but have

some possibility of returning.(2) The principles of justice are chosen by a group of school children whose capabilities are yet to develop.(3) The principles of justice are chosen by businessmen, who are marooned on an uninhabited island after a shipwreck and have

no possibility of returning.(4) The principles of justice are chosen assuming that such principles will govern the lives of the rule makers only in their next birth

if the rule makers agree that they will be born again.(5) The principles of justice are chosen by potential immigrants who are unaware of the resources necessary to succeed in a foreign

country.44. Why, according to the passage, do principles of justice need to be based on an original agreement?

(1) Social institutions and laws can be considered fair only if they conform to principles of justice.(2) Social institutions and laws can be fair only if they are consistent with the principles of justice as initially agreed upon.(3) Social institutions and laws need to be fair in order to be just.(4) Social institutions and laws evolve fairly only if they are consistent with the principles of justice as initially agreed upon.(5) Social institutions and laws conform to the principles of justice as initially agreed upon.

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45. Which of the following situations best represents the idea of justice as fairness, as argued in the passage?(1) All individuals are paid equally for the work they do.(2) Everyone is assigned some work for his or her livelihood.(3) All acts of theft are penalized equally.(4) All children are provided free education in similar schools.(5) All individuals are provided a fixed sum of money to take care of their health.

Directions for Questions 46 to 50: Each of the following questions has a paragraph from which the last sentence has been deleted. Fromthe given options, choose the one that completes the paragraph in the most appropriate way.

46. Age has a curvilinear relationship with the exploitation of opportunity. Initially, age will increase the likelihood that a person willexploit an entrepreneurial opportunity because people gather much of the knowledge necessary to exploit opportunities over thecourse of their lives, and because age provides credibility in transmitting that information to others. However, as people becomeolder, their willingness to bear risks declines, their opportunity costs rise, and they become less receptive to new information.(1) As a result, people transmit more information rather than experiment with new ideas as they reach an advanced age.(2) As a result, people are reluctant to experiment with new ideas as they reach an advanced age.(3) As a result, only people with lower opportunity costs exploit opportunity when they reach an advanced age.(4) As a result, people become reluctant to exploit entrepreneurial opportunities when they reach an advanced age.(5) As a result, people depend on credibility rather than on novelty as they reach an advanced age.

47. I am sometimes attacked for imposing ‘rules’. Nothing could be further from the truth. I hate rules. All I do is report on how consumersreact to different stimuli. I may say to a copywriter, “Research shows that commercials with celebrities are below average inpersuading people to buy products. Are you sure you want to use a celebrity?” Call that a rule? Or I may say to an art director,“Research suggests that if you set the copy in black type on a white background, more people will read it than if you set it in whitetype on a black background. “(1) Guidance based on applied research can hardly qualify as ‘rules’.(2) Thus, all my so called ‘rules’ are rooted in applied research.(3) A suggestion perhaps, but scarcely a rule.(4) Such principles are unavoidable if one wants to be systematic about consumer behaviour.(5) Fundamentally it is about consumer behaviour - not about celebrities or type settings.

48. We can usefully think of theoretical models as maps, which help us navigate unfamiliar territory. The most accurate map that it ispossible to construct would be of no practical use whatsoever, for it would be an exact replica, on exactly the same scale, of the placewhere we were. Good maps pull out the most important features and throwaway a huge amount of much less valuable information.Of course, maps can be bad as well as good - witness the attempts by medieval Europe to produce a map of the world. In the sameway, a bad theory, no matter how impressive it may seem in principle, does little or nothing to help us understand a problem.(1) But good theories, just like good maps, are invaluable, even if they are simplified.(2) But good theories, just like good maps, will never represent unfamiliar concepts in detail.(3) But good theories, just like good maps, need to balance detail and feasibility of representation.(4) But good theories, just like good maps, are accurate only at a certain level of abstraction.(5) But good theories, just like good maps, are useful in the hands of a user who knows their limitations.

49. In the evolving world order, the comparative advantage of the United States lies in its military force. Diplomacy and international lawhave always been regarded as annoying encumbrances, unless they can be used to advantage against an enemy. Every active playerin world affairs professes to seek only peace and to prefer negotiation to violence and coercion.(1) However, diplomacy has often been used as a mask by nations which intended to use force.(2) However, when the veil is lifted, we commonly see that diplomacy is understood as a disguise for the rule of force.(3) However, history has shown that many of these nations do not practice what they profess.(4) However, history tells us that peace is professed by those who intend to use violence.(5) However, when unmasked, such nations reveal a penchant for the use of force.

50. Relations between the factory and the dealer are distant and usually strained as the factory tries to force cars on the dealers tosmooth out production. Relations between the dealer and the customer are equally strained because dealers continuously adjustprices - make deals - to adjust demand with supply while maximizing profits. This becomes a system marked by a lack of long-termcommitment on either side, which maximizes feelings of mistrust. In order to maximize their bargaining positions, everyone holds backinformation - the dealer about the product and the consumer about his true desires:(1) As a result, ‘deal making’ becomes rampant, without concern for customer satisfaction.(2) As a result, inefficiencies creep into the supply chain.(3) As a result, everyone treats the other as an adversary, rather than as an ally.(4) As a result, fundamental innovations are becoming scarce in the automobile industry.(5) As a result, everyone loses in the long run.

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SECTION III

Section III has 25 questions.

51. Consider a sequence where the n th term, tn = n/(n+2), n = 1, 2,... The value of t3×t4×t5×.....×t53 equals:(1) 2/495 (2) 2/477 (3) 12/55 (4) 1/1485 (5) 1/2970

52. The length, breadth and height of a room are in the ratio 3:2:1. If the breadth and height are halved while the length is doubled, thenthe total area of the four walls of the room will(1) remain the same (2) decrease by 13.64% (3) decrease by 15% (4) decrease by 18.75% (5) decrease by 30%

53. If x = –0.5, then which of the following has the smallest value?

(1) 21/x (2) 1/x (3) 1/x2 (4) 2x (5) x/1 −54. Which among 21/2, 31/3, 41/4, 61/6 and 121/12 is the largest?

(1) 21/2 (2) 31/3 (3) 41/4 (4) 61/6 (5) 121/12

Answer Questions 55 and 56 on the basis of the information given below:An airline has a certain free luggage allowance and charges for excess luggage at a fixed rate per kg. Two passengers, Raja and Praja have60 kg of luggage between them, and are charged Rs 1200 and Rs 2400 respectively for excess luggage. Had the entire luggage beloged toone of them, the excess luggage charge would have been Rs 5400.55. What is the weight of Praja’s luggage?

(1) 20 kg (2) 25 kg (3) 30 kg (4) 35 kg (5) 40kg56. What is the free luggage allowance?

(1) 10 kg (2) 5 kg (3) 20 kg (4) 25 kg (5) 30 kg

57. The number of employees in Obelix Menhir Co. is a prime number and is less than 300. The ratio of the number of employees who aregraduates and above, to that of employees who are not, can possibly be:(a)101:88 (2) 87:100 (3) 110:111 (4) 85:98 (5) 97:84

58. If logy x =(a . log z y) = (b . logx z)ab, then which of the following pairs of values for (a,b) is not possible?(1) (–2,1/2) (2) (1, 1) (3) (0.4, 2.5) (4) (π, 1/π) (5) (2, 2)

59. When you reverse the digits of the number 13, the number increases by 18. Howmany other two-digit numbers increase by 18 whentheir digits are reversed?(1) 5 (2) 6 (3) 7 (4) 8 (5) 9

60. The graph of y – x against y + x is as shown below. (All graphs in this question are drawn to scale and the same scale has used oneach axis). y - x

y + x

Which of the following shows the graph of y against x?

(1)

y

x

(2)

y

x

(3)

y

x

(d)

y

x

(e)

y

x

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61. Arun, Barun and Kiranmala start from the same place and travel in the same direction at speeds of 30, 40 and 60 km per hourrespectively. Barun starts two hours after Arun. If Barun and Kiranmala overtake Arun at the same instant, how many hours afterArun did Kiranmala start?(1) 3 (2) 3.5 (3) 4 (4) 4.5 (5) 5

62. What values of x satisfy x2/3 + x1/3 –2≤ 0?

(1) –8 ≤ x≤ 1 (2) –1≤ x≤ 8 (3) 1 < x < 8 (4) 1≤ x≤ 8 (5) –8≤ x≤ 8

Answer Question 63 and 64 on the basis of the information given below:A punching machine is used to punch a circular hole of diameter two units from a square sheet of aluminium of width 2 units, as shownbelow. The hole is punched such that the circular hole touches one corner P of the square sheet and the diameter of the hole originatingat P is in line with a diagonal of the square.

P

63. The proportion of the sheet area that remains after punching is:(1) (π + 2) / 8 (2) (6 – π) / 8 (3) (4 – π) / 4 (4) (π – 2) / 4 (5) (π – 2) / 6

64. Find the area of the part of the circle (round punch) falling outside the square sheet.(1) π/4 (2) (π – 1) / 2 (3) (π – 1) / 4 (4) (π – 2) / 2 (5) (π – 2) / 4

65. Consider the set S = {1, 2, 3, ..., 1000}. How many arithmetic progressions can be formed from the elements of S that start with 1 andend with 1000 and have at least 3 elements?(1) 3 (2) 4 (3) 6 (4) 7 (5) 8

66. If a / b=1 / 3, b / c = 2, c / d = 1/2, d / e = 3 and e / f = 1 / 4, then what is the value of abc / def?(1) 3/8 (2) 27/8 (3) 3/4 (4) 27/4 (5) 1/4

67. A group of 630 children is arranged in rows for a group photograph session. Each row contains three fewer children than the row infront of it. What number of rows is not possible?(1) 3 (2) 4 (3) 5 (4) 6 (5) 7

68. What are the values of x and y that satisfy both the equations?

20.7x . 3–1.25y = 8 6/2740.3x . 90.2y = 8.(81)1/5

(1) x = 2, y = 5 (2) x = 2.5, y = 6 (3) x= 3, y = 5 (4) x = 3, y = 4 (5) x = 5, y = 269. A survey was conducted of 100 people to find out whether they had read recent issues of Golmal, a monthly magazine. The

summarized information regarding readership in 3 months is given below:Only September : 18; September but not August: 23; September and July : 8; September : 28;July : 48; July and August : 10; None of the three months : 24.What is the number of surveyed people who have read exactly two consecutive issues (out of the three)?(1) 7 (2) 9 (3) 12 (4) 14 (5) 17

70. An equilateral triangle BPC is drawn inside a square ABCD. What is the value of the angle APD in degrees?(1) 75 (2) 90 (3) 120 (4) 135 (5) 150

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71. A semi-circle is drawn with AB as its diameter. From C, a point on AB, a line perpendicular to AB is drawn meeting the circumferenceof the semi-circle at D. Given that AC = 2 cm and CD = 6 cm, the area of the semi-circle (in sq.cm) will be:(1) 32π (2) 50π (3) 40.5π (4) 81π (5) undeterminable

72. The number of solutions of the equation 2x + y = 40 where both x and y are positive integers and x ≤ y if:(1) 7 (2) 13 (3) 14 (4) 18 (5) 20

73. There are 6 tasks and 6 persons. Task I cannot be assigned either to person 1 or to person 2; task 2 must be assigned to either person3 or person 4. Every person is to be assigned one task. In how many ways can the assignment be done?(1) 144 (2) 180 (3) 192 (4) 360 (5) 716

74. The sum of four consecutive two-digit odd numbers, when divided by 10, becomes a perfect square. Which of the following canpossibly be one of these four numbers?(1) 21 (2) 25 (3) 41 (4) 67 (5) 73

75. Let f(x) = max (2x + 1, 3– 4x), where x is any real number. Then the minimum possible value of f(x) is:(1) 1/3 (2) 1/2 (3) 2/3 (4) 4/3 (5) 5/3

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1. (3) The opening price on day 1 was Rs 100. The closingprice on day 5 was Rs 110.Chetan sold 10 shares of MCS on 3 consecutive daysand Michael sold 10 shares only once during the 5 days.The possible trend of the closing price of MCS shares is:

Day Opening Price Closing Price1 100 902 90 100 Chetan sells

3 100 110 Chetan sellsChetan sells; 4 110 120 Michael sells

5 120 110

So the closing price at the end of day 3 was Rs 110/-2. (1) Michael ended up with 20 more shares than Chetan at

the end of day 5. The various possibilities in this situationfor the given options are :

Closing prices

Day Option 1 2 3 4 5

1 90/110 90/110 110

2 80/100 100/120 1203 90 100 110 120 1304 100 100/120 120

5 110 110 110 110 110

SharesgainedbyChetan

Notpossible

Notpossible

+10+10

-10-10 -10-10

-10-10

-10-10

-10-10

-10+10

+10-10 +10-10

-10 -10

10-10

+10 +10

10

10+10+10

-10-10-10

Net of Michael +20 +10 -

-

10 -10 - -40

-

So it is clear from the above table that Michael had 20more shares than Chetan for option 1, where the closingprices were, 90, 80, 90, 100 and 110. So the price at theend of day 3 was 90 Rs.

3 (4) The maximum possible increase in combined cash balanceof Chetan and Michael would be in the case when bothChetan and Michael sell their shares and that too at higherprices. Further for Michael to sell his shares the price hasto be above 110. This will be possible when the closingprices are : 110, 120, 130, 120 and 110.

Day Chetan Michael1 110 1100 –2 120 1200 12003 130 1300 13004 120 – 1200 12005 110 – 1100 –

Total 1300 3700So total increase in combined cash balance = 1300 +3700 = Rs 5000

4. (2) The various possible cases of price variation are givenbelow.

I II III IV V VI VII VIII IX X1 90 90 90 90 110 110 110 110 110 1102 80 100 100 100 100 120 120 100 100 1203 90 90 110 110 110 110 130 90 110 1104 100 100 120 100 120 120 120 100 100 1005 110 110 110 110 110 110 110 110 110 110

– 900 – 900 – 900 – 900 1100 1100 1100 1100 1100 1100– 800 1000 1000 1000 –1000 1200 1200 –1000 –1000 1200

900 – 900 1100 1100 1100 –1100 1300 – 900 1100 –11001000 1000 1200 –1000 1200 1200 –1200 1000 –1000 –10001100 1100 –1100 1100 –1100 –1100 –1100 1100 1100 1100

800 – 1200 – 1200 1200 1200 – – 12001300

1200 1200

Chetan – Michael

2100 1300 100 1300 100 – 1100 – 2400 1300 1300 100

Chetan's Transa-ctions

Michael's Transa-ctions

So in four cases II, IV, VIII and IX, Chetan had 1300 Rsmore than Michael. In all the four cases, the closing priceof day 4 is Rs 100/-.

5. (5) From the above table it is clear that Michael had Rs 100less cash than Chetan in case III, V and X.In all the three cases we see that Chetan sold 30 sharesand bought 20 shares. But Michael only sold 10 shares.So finally both had the same number of shares.

6. (4) For the traffic to be evenly distributed at S, the cost onthe routes SAT, SBAT, SBCT, SDCT, and SDT has to bethe same.

Routes Fuel Cost1 4 2 3 5

SAT 9 + 5 = 14 14 15 14 15 14SBAT 2 + 2 + 5 = 9 14 15 14 15 13SBCT 2 + 3 + 2 = 7 16 15 14 15 14SDCT 7 + 1 + 2 = 10 15 15 14 16 15SDT 7 + 6 = 13 14 15 15 16 15

Total Cost

Option (5) is ruled out as the traffic moves only on SBAT.Again (3) is ruled out as the traffic do not move to the SDroute. Similarly in (2) and (4) the traffic can not be equallydivided as there are various paths possible which makesthe distribution unequal. But in (1), there are only threeroutes SAT, SBAT and SDT, which among themselvescan divide the traffic equally.

7. (5) Street DT is not functional. For equal traffic throughjunctions A and C, the cost on routes SAT, SBAT, SBCTand SDCT shall be equal so that the traffic gets evenlydistributed. This is true in case of option (5).Route Fuel cost Total costSAT 14 14 + 0 = 14SBAT 9 9 + 5 + 0 = 14SBCT 7 7 + 5 + 2 = 14SDCT 10 10 + 2 + 2 = 14

HINTS & SOLUTIONS

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8. (2) Again the costs on all routes SAT SBAT, SDCT andSDT have to be equal so that all motorist pay the sameamount.Route Fuel cost Total costSAT 14 14 + 0 = 14SBAT 9 9 + 5 + 0 = 14SBCT 10 10 + 1 + 3 = 14SDT 13 13 + 1 = 14This is possible in option (2).

9. (4) In this case cost on all the 5 routes has to be the same.

Route Fuel cost1 2 3 4 5

SAT 14 14 14 15 15 15SBAT 9 14 14 15 15 15SBCT 7 14 16 15 15 16SDCT 10 14 15 16 15 16SDT 13 15 14 16 15 15

Total cost

So clearly (4) is the correct option.10. (3) The minimum cost to the commuters is Rs 7 for the route

SBCT with 100% traffic flowing through it. If we increasethis cost by a Re (using tolls 0, 0, 1, 0), i.e. the minimumcost becomes Rs 8, still 100% traffic flows through B.Further increasing the minimum cost to 9 (using tolls 0,0, 2, 0) the traffic flows through SBAT (2 + 2 + 5 = 9) andSBCT (2 + 3 + 2 + 2 = 9), but still 100% traffic flowsthrough B.Again increasing the minimum cost to 10, the traffic canmove through SBAT, SBCT and SDCT. The varioussituations areRoute Cost Cost Cost(Toll) (0, 1, 2,0) (1, 0, 3, 0) (0, 3, 0, 0)SBAT 10 10 12SBCT 10 10 10SDCT 12 13 10Traffic 100% 100% 50%through BSo for minimum cost of Rs 10, the situation is fulfilled.

11-15.

At Beginning After 3rd day After 5th dayA A f 1 A f 1

B B BC C f 1 C f 1D D DE E f 5 E f 1

F min. f F f F fG G GH H H

Avg.3; Avg. 2.5, Total 24 Total 20

= ∞ = + = +

= + = +

= + = += = = =

= =

As the total Erdos no. of the group changes from 24 to20, i.e. a difference of 4 and the Erdos no. of E becomes f+ 1 after 5th day, it means the Erdos no of E was f + 1 + 4= f + 5 after the third day.

After 3rd day 5 mathematician have similar Erdos no.and the rest of 3 have distinct Erdos no. Hence 5 peoplehave Erdos no. = f + 1⇒ 5(f + 1) + f + f + 5 + x = 24 ⇒ 7f + x = 14The only values of f and x which satisfy this equationare f = 1 and x = 7Note : The condition no other co-authorship among any3 members would have reduced the avg. Erdos no to 3means A followed by C had the largest Erdos no. at thebeginning of the conference.

11. (2) The Erdos no. of C at the end of conference was f + 1 = 1+ 1= 2.

12. (3) The Erdos no. of E at the beginning of conference was f+ 5 = 1 + 5 = 6[Note : that the Erdos no. of E did not changed till thethird day as he did not co-authored any paper.]

13. (2) After 3rd day 5 participants had Erdos no. of f + 1. But Aand C changed their Erdos no. to f + 1 on the third dayitself. So, at the beginning of the conference only 3participants had the same Erdos no.

14. (2) As calculated above, the Erdos no. of one of theparticipants was 7 (x) which do not change after the 5thday.

15. (4) During the conference, A and C changed their Erdos no.on the 3rd day and E changed its Erdos no. on the 5thday. So in all 5 participants do not change their Erdos no.

16. (3)Making K as a member Not included

MPQRLK N, U, W

Making M as a member

NWUSM Q, P, R, K, L

So from above grids it is clear that K, L, P and R can notbe a member of a team of size 5.

17. (1) Making L as a member

KL

This can not be a 3 member team as one from M/Q and R/P/S each has to be there.

• M can be member of a team of 3, viz. MPN,

• P and N again are members of MPN

• Q can be a member of QPN, QRN etc.18. (5) If K is there, L has to be there. So N and U are out. Again

as U is out so S and W will be out. So N, U, S and W areout. Now from M and Q only one has to be there. Againfrom P, R, S only one has to be there. But S is out. Soteam can be

RP

QMLK so a team of only 4.

19. (5) If N is there, L is out and so K is also out.Also, one from M or Q has to be there. Similarly one fromP, R and S has to be there. So teams using N, are

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N M PN M S UWN M RN Q PN Q RN Q S U WHence 6 teams can be constituted.

20. (4) The largest team size would be 5.For the largest team SUW has to be there.So P, R, K, L are out and only one from M or Q can bethere.

21. (3) Dipan’s score = 96

= 5

2x96

29496

29596

953

989898 ++

++

+++

++

⇒ 98 + 95 + 95.5 + 95 + y = 96 × 5 = 480

Here y = 2

x96 +

⇒ y = 480 – 383.5 = 96.5⇒ 96 + x = 2 × 96.5 or x = 97.

22. (1) Old SS New SS Score Addn. NewScore

J 95.5 100 95 9.055.4 = 95.9

A 95.5 100 94.3 9.055.4 = 95.2

P 89 100 93.9 2.25

11 = 96.1

T 89.5 100 93.7 1.25

5.10 = 95.8

So the order is P > J > T >A.23. (5)

Score Inc. Imp. Old NewImp. in Score Score Score

R Maths 3 3/5 = 0.6 96.1 96.7Ag Ver. 18/2 = 9 9/5 = 1.8 94.3 96.1P SS 17/2 = 8.5 8.5/5 = 1.7 93.9 95.6Ay Geo. 7/2 = 3.5 3.5/5 = 0.7 96.2 96.9D Maths 5 5/5 = 1 96.0 97Note : The score is improved in a subject which maximisesthe final score. Remember the scores of individual groupsare averaged.So the topper is Dipan.

24. (1) From the table, among the boys (7 in the table marked byB), its only Dipan who has scored atleast 95 in at leastone paper from each of the groups.Ram, Sanjiv, Joseph, Agni, Pritam could not do so inVernacular group. Sagnik could not do so in English group.

25. (4) As per the given condition, the students eligible for theprize is only Dipan; Rest of the nine student fail to qualitythe cut-off of 95 in one or the other group.

26. (5) The first statement is a judgement, it uses the modal‘should’ which has a judgemental, dogmatic use. Thestatement shows an opinion on the ‘erroneous belief’and, thus, is a judgement made by the writer. Thiseliminates option (4). The second statement is a fact. Itgives us a piece of information, statistics, figures, plainverifiable truth. Infact, the statement begins with ‘Thetruth is that’ and continues to give figures on daysneeded to start a small business. Thus, option (3) iseliminated. The third statement is not a fact, it does notgive information but an opinion, it is a judgement. It isneither a verifiable truth nor a conclusion drawn fromother statements but an opinion, thus, the third statementis a judgement. So, we have only to choose between (2)and (5). The last statement is an inference as it is aconclusion drawn from facts. ‘Contact with official’ and‘money changing hands’ are known truths about Redtapeism on basis of which this conclusion is drawn. Thus,(5) is the right answer.

27. (3) The first statement is an inference, a conclusion drawnfrom the given statements. The given information ismentioned in the statement - ‘the poor quality of servicein public sector’ and the conclusion drawn, thus, is ‘HIV/AIDS affected should be switching to private initiatives’.The second statement is a fact, it’s a verifiable truthstating statistics and figures about the time since freedrugs have been supplied by the government, numberof benefitted people etc. The third statement is aninference statement, a conclusion based on given facts.The facts in the statement being ‘recent initiatives ofnetworks and companies like AIDS Care Network...’ andthe conclusion drawn from this is that it ‘would lead toavailability of much needed drugs....’. The fourthstatement is a clear judgement. This statement gives theopinion of the author i.e. the shortage of drugs in Indiais “Ironic”. So, the right answer will be (3).

28. (1) The first statement is an inference, it uses the phrase‘According to all statistical indication’, thus, it is aconclusion drawn from the statistical informationmentioned in the sentence. The second statement, also,is an inference, use of the word. ‘Thus’ shows it is aconclusion. The first part of the statement is a given factwhile the second part is the drawn conclusion, so, thestatement is an inference. The third statement is a fact, itstates figures, statistics and gives plain, true information.The fourth statement is a judgement. It is not a fact for itdoes not give verifiable information. It can be confusedas an inference but one should keep in mind that thestatement is not a conclusion drawn from given factsbut a personal opinion of the writer. The writer believesthat the goal of universalisation of elementary educationshould be evolution and development of the country.Thus, it is a judgement. Thus, the correct answer is (1).

29. (2) The first statement is a judgement, it is not a conclusionderived from objective, known facts but an opinion ofthe author. The second statement is an inference becauseit is based on some previously known facts ‘we know’,

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conflicts continue to trouble us even without war andthe conclusion drawn from this is that they change incharacter. So, this statement is an inference. The thirdstatement is a judgement. There is no fact stated on basisof which the conclusion is drawn, rather it is simply apersonal opinion and not an objective truth. The fourthstatement is a fact which gives verifiable information,figures or statistics. Thus, the right answer is (2).

30. (4) The first statement is a judgement though it might appearas an inference on first reading but it is an opinion not aconclusion. A subjective statement is always a judgementwhile an objective statement can either be a fact or aninference. The second statement is also a judgement. Itis a personal opinion, you may or may not agree withthis opinion, thus, it is a judgement. The third statementis also a judge, this too an opinion of the writer and notan objective statement. The fourth statement is also ajudgement, it is an author’s opinion that doing what youlove makes each moment a celebration. So, all the fourstatements are judgements. Thus, answer is (4).

31. (3) Third paragraph of the passage discusses the relationshipbetween dogmatic beliefs and critical attitude in thecontent of science. The last line of the paragraph statesthat critical attitude needs, as its raw material, dogmaticbeliefs. This interaction is best described by the option(3). While (2) also appears as a probable answer butchisel although helps in formation of a sculpture but it isnot a raw material. Thus, the most appropriate answerwill be (3).

32. (1) The third and fourth paragraphs are relevant for thequestion. According to these two paragraphs dogmaticattitude is the raw material or starting point for scientificresearch. Thus, dogmatic attitude has an important placein science. It is neither inferior to critical attitude as criticalattitude is reached at through dogmatic beliefs, nor is itnegative, since they are very significant in scientificdevelopment. So, the choice is to be made between (1)and (2). It is not necessary that all conjectures arisingout of our dogmatic attitude becomes science, whereas,it is true that through criticism of dogmatic attitudes, theinitial hypothesis are made.

33. (3) The comparison between the primitives and children hasbeen done in the context of dogmatic behaviour which,in turn, is related to critical attitude and not education,innocence, evolution or civilization. Dogmatic attitudeprecedes critical attitude i.e. in absence of critical attitude,we are certain to find dogmatic attitude. Thus, the mostappropriate reason for comparison between a child andprimitives is lack of critical attitude in both. Thus, theanswer is (3).

34. (4) The second paragraph of the passage is relevant for thisquestion. The passage clarifies that dogmatic attitudeleads to a stronger belief as compared to critical attitude.Critical attitude 'admits doubt and demands tests' andtherefore lacks the conviction one can find in dogmaticattitude and which is important for strong belief. (4) and(5) both appear as possible answers but (4) is a more

appropriate explanation as it supports the statement inthe question by linked reasoning.

35. (3) The third paragraph states that “dogmatic attitude isclearly related to the tendency to verify our laws andschemata by seeking to apply them and confirm them...,whereas critical attitude is one of readiness to changethem, to refute them....”. Further, in the paragraph criticalattitude has been called scientific and dogmatic attitudethe pseudo scientific. Thus, it is clear that the realdifference between scientific and pseudo scientific asgiven by the paragraph is best stated in (3).

36. (2) The apprehensions of Lindblad that “different elementof communist ideology such as equality or social justicestill seduce many” is indirectly accepted by the authoras in the last paragraph he mentions the resistance ofthe Muslim world and Latin America against NewImperialism and the growing demand for social justice.The correct answer, therefore, is (2).

37. (2) The author gives the opinion of a conservative EuropeanMP. The renewed attack on communism is being madebecause the now existing ideology of global capitalismcan be idealised only through an attack on communism.Though (1) might also appear as a correct alternative but(2) states the reason most appropriately.

38. (4) The reason to cite the atrocities committed by Europeancolonial region is to neutralise the argument of Lindbladagainst communism on the ground of violence perpratedin communist regimes. His intention is not to compareatrocities but to neutralise the attack on communism andprove that colonial atrocities were more than communistviolence. Thus, the most appropriate answer will be (4).

39. (3) The author compares Nazism with colonialism rather thancommunism in the fourth paragraph of the passage.Towards the end of the paragraph, the author states thatmany ideas coined by the German colonial regime werelater inherited by the Nazi party. Thus, (3) is the rightanswer. Even the first option is correct factually but it isnot the reason given by the author and so is not themost appropriate answer.

40. (1) Option (1) is correct as the council of Europe is dominatedby strong European countries that were previouslycolonial powers. Option (2) also seems a reason forsilence of council of Europe as it is condemningcommunist ideology and seeks support in the same.Option (3) does not seem as a compelling reason asnothing of the allies is mentioned in the passage. Option(4) and (5) are clearly indicated in the passage. Thus, thecorrect answer will be (3).

41. (5) The central theme of the passage is to define and explainwhat a just society, based on original position, will belike According to the passage, the just society will befair, wherein, justice will not be influenced by class,position, social status of a person. This is best describedin the option (5). Although even the first four optionsappear correct only (5) includes all the points and correctlanguage.

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42. (1) The original position as mentioned in the secondparagraph is a ‘hypothetical situation’ where everybodyis unaware of their privileges, positions, status etc. Butthis is in order to ensure that justice is received withoutany influence from these categories. So, while option (2)also appears correct the most appropriate answer is (1)as it states both the situation and the consequence.

43. (4) Choosing ‘principle of justice’ behind a ‘veil of ignorance’means while choosing the principles one must not beaware of one’s class, status, intelligence, strength,assets, abilities etc. Businessmen, school children, evenpotential immigrants will be aware of at least one of thesethings and, thus, a hierarchy will be build, thus, the onlycorrect possibility is that of the new birth where one iscompletely ignorant of what is to come. So, the rightanswer is (4).

44. (2) According to the passage, social institutions and lawscan be fair only if they are consistent with the principlesof justice as initially agreed upon. This could be inferredfrom the last paragraph of the passage. Thus, the correctanswer is (2).

45. (4) In the first paragraph of the passage the author statesthat by justice as fairness, he means that ‘principles ofjustice of the basic structures\ society are the objects oforiginal agreement” and these principles are to, further,regulate all agreements of the given options in thisquestions, the basic structure is that of education whichmust be provided in all fairness. So, the correct answer is(4).

46. (4) The paragraph has exploitation of opportunity and itsrelation with age as the central issue. The appropriateending would, therefore, be one that draws conclusionon the same relationship. (1) does not talk of age andopportunity, neither does (2), so, these can be eliminated.The last line of the passage states that the ‘willingnessto bear risks declines in old age and the opportunitycost rises’. This suggests that at an advanced age, peopleare reluctant to exploit entrepreneurial opportunities asthey involve high risk. So, the correct answer will be (4).

47. (3) The last lines of the passage are a suggestion made bythe speaker to an art director. The suggestion is basedon a research. Hence, the most appropriate ending willbe (3). There may be some confusion between (1) and (3)but the speaker’s statement should not be seen as aguidance but merely a suggestion.

48. (3) The comparison is being made between a map and atheory. A good map ‘throws away a huge amount ofmuch less valuable information’ due to the concerns ofrepresentation. Thus, a good theory must as well balancedetail and feasibility of representation. So the correctanswer is (3).

49. (2) The most appropriate ending will be (2) because theparagraph builds from the beginning the oppositionsbetween the apparent and real truth. While the rest ofthe endings also say the same thing. They do so withthe referent ‘Nation’ which is not used in the passage.The passage is a general speculation or opinion and,thus, the conclusion must also take an objective tone.

50. (5) is the most appropriate ending. The paragraph mentionsthe following as the lacking of the Factory-dealer-customer relations.(a) lack of long term commitment(b) maximizing of feeling of mistrust.(c) holding back of information both by dealer andcustomer.The result of all this will be a loss for everyone in thelong run.

51. (1)2n

ntn +

= ⇒ 53t3 = ;

64t4 = ; 5

5t7

=

Thus, 53543 t.........ttt ××××

3 4 5 6 51 52 53.......5 6 7 8 53 54 55

× × × × × × ×

= 4952

555443 =

××

52. (5) Total area of four walls of a room = )b(h2 +lLet the height of the room be x.The breadth = 2x and length = 3x

Area (1) = 2x10)x3x2(x2 =+

Area (2) = 2x72x32x2

2x

2 =

×+×

∴ Area of 4 walls decreases by 30%.53. (2) Putting the value of x = – 0.5 in all the options.

(1) 41

22 25.0/1 == −− (2) 25.0

1 −=−

(3) 4)5.0(

12 =

−(4)

2

12 5.0 =−

(5) 2)5.0(

1=

−−

So, clearly (2) is smallest.54. (2) In this question it is advisable to raise all the numbers to

the power of 12, so the numbers become,1212/1126/1,124/1123/1122/1 )12(,)6()4(,)3(,)2(

or 12,6,4,3,2 2346 or 64, 81, 64, 36, 12So, (2) is the largest.

55-56. Let the free luggage be ‘s’ kg and excess luggagepossessed by Raja and Praja be ‘r’ and ‘p’ kg respectively.⇒ 2s + r + p = 60 ............ (1)Again let the change for excess luggage be Rs x/kg.⇒ For Raja, rx = 1200 ............ (2)and for Praja, px = 2400 ............ (3)

or 12

rp

12002400

rxpx =⇒= ............ (4)

If the entire luggage belongs to one only, then only ‘s’will be the free luggage and s + r + p will be the changeluggage

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⇒ (s + r + p)x = 5400or (s + 3r)x = 5400 ............. (5)Dividing (5) by (2),

⇒ 29

12005400

rx)r3s( ==+

⇒ 29

3rs

=+ ⇒ 23

rs

= .............. (6)

Using in (1),

60s3

22s32s2 =×++

⇒ 12s = 60 × 3 or s = 15 kgAgain 2 × 15 + 3r = 60⇒ r = 10 kg and p = 20 kg

55. (4) Praja’s luggage = s + p = 15 + 20 = 35 kg56. (4) Free luggage = s = 15 kg.57. (5) This problem can be easily solved by adding the

Denominator and Numerator of all the ratios andchecking whether it is prime or not.[Note : Ratios are such that any of its integral multipleswill not be < 300](1) 189, is divisible by 3.(2) 187, is divisible by 11.(3) 221, is divisible by 17.(4) 183, is divisible by 3.(5) 181, is prime.

58. (5) abzlog.bylog.axlog xzy ===

⇒ abyloga z = or bylogz =

or bzy = .............. (1)

and abzlogb x = or azlog x =

or axz = ............. (2)

⇒ ylog x ab= ⇒ abyx = .............. (3)

abyx = = 22bababaabb x)x()z( ==

or 1ba 22 = ............. (4)Putting the options in condition 4, we see that it is notsatisfied only when a = 2and b = 2.

59. (2) Let one of the nos. be 10x + yReversing the digits it become 10y + x.As per question.10y + x – (10x + y) = 18⇒ 9(y – x) = 18 or y – x = 2So it will be possible in all the cases where the differencebetween the two digits = 2.So the nos. are 13, 24, 35, 46, 57, 68, 79.Hence the no. of such two-digit numbers apart from 13 is6.

60. (4) It is clear from the graph that the slope

θ= tan

dxdy

is

greater than 1 as the angle made by the line with the y +x axes is more than 45°.

⇒ 1xyxy

>+−

or y – x > y + x

Case 1 : y > 0, ⇒ – x > x or x < 0Case 2 : y < 0, – x < x or x > 0This is clearly matched with option 4.

61. (3) Barun starts 2 hours after Arun in which he covers 30 ×2 = 60 km

Barun catches up with Arun in 63040

60 =−

hours, i.e. 8

hours from Arun’s start.Distance traveled by Arun = 8 × 30 = 240 hours

Further Kiranmala will cover this 240 km in 460240 =

hours.So, it shall start 4 hours after Arun starts.

62. (1) 2 / 3 1/3x x 2 0+ − ≤

Put yx 3/1 = or 3yx = ⇒ 02yy2 ≤−+

or 02yy2y2 ≤−−+

or 0)2y)(1y( ≤+− ⇒ 2 y 1− ≤ ≤

or 33 1x)2( ≤≤− or 1x8 ≤≤−63-64. Method I

D C

A B

Shaded 1

Shaded 2

F G

E

O

In FAE∆ , FAE∠ = 90° as it is an angle of a square.Further EF will be the diameter of the circle as an anglesubtended by a diameter on the circumference of a circle= 90°. So, EF will pass through the centre O.In FOA∆ and AOE∆OF = OE (radius of circle)AO = AO (common)

FAO∠ = EAO∠ (45°)So AOE~FOA ∆∆ ⇒ AF = AEAE

Area of 2AF21

bh21

AFE ==∆

42FEAEAF 2222 ===+(Pythagorus theorem)

or 2AF2 = ⇒ Area of 1221

AFE =×=∆

Area of shaded region 2

= 12r 2

−π

= 2

21

212 −π

=−×π

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Area of the white portion of circle

= 2

22

)2(2

2r2 +π

=−π−π

=−π

−π

∴ Area of shaded region 2

221 2 +π

−= = 2

6 π−

Hence required proportion of the sheet

= 8

642

6π−=

π−

Alternatively, Method II

D C

A B

1

2

F G

E

O

x

y

Complete the square AEGF. Note 2 diagonals of a squaremake angles of 90° with each other.The area of the shaded region 2 can also found by:2.(Area of sector AOE – Area of AOE∆ )

=

××−

π11

21

4r

.22

[AO = OE = radius = 1]

= 2

221

4.2

−π=

π

Again, area of region 1 = Area of square ABCD – Area ofsquare AEGF – Area of region 2.[Note : Area of region 2 = Area of region x + region y]

⇒ Area (region 1) =

−π

−−2

2222

[Note : Area of square AEGF = 2AE

Further 2AEorAE22GEAE 22222 ===+ ]

or Area (region 1) = 2

62

22

π−=

−π

Required proportion = 8

64

2/)6( π−=π−

63. (2) 64. (4)65. (4) We know, the last term,

d)1n(a −+=lHere, 1000=l , a = 1, 3n ≥⇒ 1000 = 1+ (n – 1)d or 999 = (n – 1)dAn AP with the sets of the set S will only be possibleonly when 999 will be divisible by (n – 1) where 3n ≥ .So we need to find the factors of 999, which are 3, 9, 27,37, 111, 333, 999.An AP is possible for all the 7 above factors of 999 withn = 4, 10, 28, 38, 112, 334 and 1000 elements.

66. (1)31

ba = ⇒ for a = 1, b = 3

12

cb = ⇒ for b = 3,

23

c =

21

dc = ⇒ for

23

c = , d = 3

13

ed = ⇒ for d = 3, e = 1

41

fe

= ⇒ for e = 1, f = 4

⇒ 83

4132/331

defabc =

××××=

67. (4) This is an AP problem with common difference, d = – 3

Sum of AP = 630)d)1n(a2(2n

=−+

or 2an + n(n – 1)(– 3) = 630 × 2 = 1260

or 1260n3n3an2 2 =+−

or n

12603n3a2 =+−

The number of rows is nothing but the no. of terms, n ofthe APNow using all the options given, we find that(1) For n = 3, a becomes 213 and the AP is 213, 210, 207.(2) For n = 4, a = 162 and the AP is 162, 159, 156, 153(3) For n = 5, a = 132, and the AP is 132, 129, 126, 123, 120.(4) For n = 6, a = 117.5 which is not possible(5) For n = 7, a = 99 and the AP is 99, 96, 93, 90, 87, 84, 81.

68. (5) 32/12/13

y45

x107

3.3.2.2

3

2 −=

⇒ 7x 5y 7 510 4 2 22 .3 2 .3

− −

=Equating the powers of 2 and 3

⇒ 7 7x10 2

= or x = 5 and 25

y45 −

=−

or y = 2

Using x = 5 and y = 2 in equation 2

⇒ 5/4322.053.0 3.29.4 =××

⇒ 8.038.03 3.23.2 = ; Hence correct69. (2) Putting the given information in the form of a venn

Diagram.

33 7 85

32

J

S

A

18

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7624100)SAJ(n =−=∪∪

8)JS(n =∩ ; n(only S) = 18

n(S but not A) = 23 = 48476 18

)Sonly(n + 44 344 215

)AS(n)S(n ∩−

n(S A J) n(S J) 5 8 5 3∩ ∩ = ∩ − = − =

To find the people who have read exactly 2 consecutiveissues (out of 3) we shall find the people reading J & Aand A & S.Hence required no. = 7 + 2 = 9.

70. (5)

A B

CD

PE

a

a

a

a

a

60°

60°

PBCABCPBA ∠−∠=∠ = 90° – 60° = 30°

Further in ABP∆PB = AB = a ⇒ BAPPBA ∠=∠

Further °=∠+∠ 180PBA)BPA(2

⇒ °=°−°=∠ 15030180BPA2

or BAP75BPA ∠=°=∠

Similarly °=°−°=∠−°=∠ 157590PAB90PADAgain in right angled APE,∆

EPA 90 PAE= ° − ∠ = 90° – 15° = 75°

Similarly we can calculate that DPE∠ = 75°

∴ DPA∠ = 75° + 75° = 150°

71. (2)

A C O B

D

R6

R - 22

In DCO∆ , using Pythagorus theorem

2 2 2R (R 2) 6= − + ⇒ 364R4RR 22 ++−=

or 4R = 40 ⇒ R = 10 cm

∴ Area of semi-circle =

π2R 2

= 22 cm501021

π=×π×

72. (2) 2x + y = 40; yx ≤ ; x, y ∈ + I

This problem can be solved by putting various valuesfor x and y. Starting from x = 1. The above equation canbe solved till x = 13.At x = 13, y = 14 which is > x. But above this value of x, it

becomes greater than y so the condition yx ≤ isviolated.

73. (1) Task 1 can not be assigned to 1 or 2 i.e. there are 4 options.Task 2 can be assigned to 3 or 4So, there are only 2 options for task 2.So required no. of ways = 2 options for task 2 × 3 optionsfor task 1 × 4 options for task 3 × 3 options for task 4 × 2options for task 5 × 1 option for task 6.= 2 × 3 × 4 × 3 × 2 × 1 = 144

74. (3) Let the first number be 10 x + y.So the other numbers would be10 x + y + 2, 10x + y + 4, 10x + y + 6∴ Sum = 40x + 4y + 12This is divisible by 10

or X = 40x 4y 12 4y 12

4x10 10

+ + + = + It means 4y + 12 has to be divisible by 10 and y is odd (1,3, 5, 7, 9). This condition can be fulfilled by 7 only.So the numbers become = 10x + 7, 10x + 9, 10x + 11, 10x +13.Now using the options and finding whether the sumdivided by 5 is a perfect square or not.For (1), the nos. are 17, 19, 21, 23

⇒ 810

23211917 =+++ not a perfect square.

(2), can not be the no. as none of the 4 nos. have 5 as lastdigit.For (3), the nos. are 37, 39, 41, 43

⇒ 241610

43413937 ==+++

For (4) the nos. are 67, 69, 71, 73

⇒ 2810

73716967 =+++

For (5), the nos. are same as for (4)75. (5) f(x) = max (2x + 1, 3 – 4x)

The minimum possible value in this case will be when2x + 1 = 3 – 4x.The reason for this is that the ‘max’ function will onlytake the higher value out of 2x + 1 and 3 – 4x. So forminimum value of f(x)

2x + 1 = 3 – 4x or31x =

At 31x = ,

351

312)x(f =+×=