aptitude-time & work
TRANSCRIPT
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8/2/2019 Aptitude-time & Work
1/21
S.KARTHIKEYANAssistant Professor
Faculty of Mechanical Engineering
EBETi
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8/2/2019 Aptitude-time & Work
2/21
It was calculated that 75 men could complete a piece
of work in 20 days. When work was scheduled to
commence, it was found necessary to send 25 men to
another project. How much longer will it take to
complete the work?
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8/2/2019 Aptitude-time & Work
3/21
A does a work in 10 days and B does the same work in
15 days. In how many days they together will do the
same work?
a. 5 days
b. 6 days
c. 8 days
d. 9 days
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8/2/2019 Aptitude-time & Work
4/21
A does a work in 10 days and B does the same work in
15 days. In how many days they together will do the
same work?
a. 5 days
b. 6 days
c. 8 days
d. 9 days
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8/2/2019 Aptitude-time & Work
5/21
A can finish a work in 18 days and B can do the same
work in half the time taken by A. Then, working
together, what part of the same work they can finish in
a day?
a. 1/6
b. 1/9
c. 2/5
d. 2/7
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8/2/2019 Aptitude-time & Work
6/21
A can finish a work in 18 days and B can do the same
work in half the time taken by A. Then, working
together, what part of the same work they can finish in
a day?
a. 1/6
b. 1/9
c. 2/5
d. 2/7
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8/2/2019 Aptitude-time & Work
7/21
A tyre has two punctures. The first puncture alone
would have made the tyre flat in 9 minutes and thesecond alone would have done it in 6 minutes. If air
leaks out at a constant rate, how long does it take both
the punctures together to make it flat?
a. 1 minutes
b. 3 minutes
c. 3 3/5 minutes
d. 4 minutes
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8/2/2019 Aptitude-time & Work
8/21
A tyre has two punctures. The first puncture alone
would have made the tyre flat in 9 minutes and the
second alone would have done it in 6 minutes. If air
leaks out at a constant rate, how long does it take both
the punctures together to make it flat?
a. 1 minutes
b. 3 minutes
c. 3 3/5 minutes
d. 4 minutes
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8/2/2019 Aptitude-time & Work
9/21
A , B and C can complete a piece of work in 24, 6 and12 days respectively. Working together, they will
complete the same work in
a. 1/24 day
b. 7/24 day
c. 33/7
dayd. 4 days
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8/2/2019 Aptitude-time & Work
10/21
A , B and C can complete a piece of work in 24, 6 and12 days respectively. Working together, they will
complete the same work in
a. 1/24 day
b. 7/24 day
c. 33/7
day
d. 4 days
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8/2/2019 Aptitude-time & Work
11/21
A man can do a job in 15 days. His father takes 20 days
and his son finishes it in 25 days. How long will they
take to complete the job if they all work together?
a. Less than 6 daysb. Exactly 6 days
c. Approximately 6.4 days
d. More than 10 days
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8/2/2019 Aptitude-time & Work
12/21
A man can do a job in 15 days. His father takes 20 days
and his son finishes it in 25 days. How long will they
take to complete the job if they all work together?
a. Less than 6 daysb. Exactly 6 days
c. Approximately 6.4 days
d. More than 10 days
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8/2/2019 Aptitude-time & Work
13/21
A man can do a piece of work in 5 days, but with the
help of his son, he can do it in 3 days. In what time can
the son do it alone?
a. 6 days
b. Days
c. 7 days
d. 8 days
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8/2/2019 Aptitude-time & Work
14/21
A man can do a piece of work in 5 days, but with the
help of his son, he can do it in 3 days. In what time can
the son do it alone?
a. 6 days
b. Days
c. 7 days
d. 8 days
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8/2/2019 Aptitude-time & Work
15/21
Three persons A,B and C can do a piece of work in
15,6,10 days respectively. In how many days will all the
three finish three times similar work?
a. 3
b. 6
c. 9
d. 12
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8/2/2019 Aptitude-time & Work
16/21
Three persons A,B and C can do a piece of work in
15,6,10 days respectively. In how many days will all the
three finish three times similar work?
a. 3
b. 6
c. 9
d. 12
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8/2/2019 Aptitude-time & Work
17/21
3 persons A,B and C can finish a work in 60,50 & 40days respectively. All the three combine to finish thework contracted for Rs. 2,200. how much money will Aget?
a. 300b. 800
c. 500
d. 600
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8/2/2019 Aptitude-time & Work
18/21
2 men and 3 boys can do a piece of work in 10 days
while 3 men and 2 boys can do the same work in 8
days. In how man y days can 2 men and 1 boy do the
work.
a. 21
b. 12
c. 11
d. 10 2/3
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8/2/2019 Aptitude-time & Work
19/21
A and B can do a piece of work in 45 days and 40 days
respectively. They began to do the work together but A
leaves after some days and then B completed the
remaining work in 23 days. The no of days after which
A left the work was..a. 3
b. 6
c. 9
d. 7
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8/2/2019 Aptitude-time & Work
20/21
A political party orders an arch for the entrance to the
ground in which the annual convention is being held.
The profile of the arch follows the equation y = 2x 0.1 x2
where y is the height of the arch in meters. The
maximum possible height of the arch is
a. 8 meters
b. 10 meters
c. 12 meters
d. 14 meters
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8/2/2019 Aptitude-time & Work
21/21
A train travels a certain distance taking 7 hrs in
forward journey, during the return journey
increased speed 12km/hr takes the times 5 hrs.
What is the distance traveled
a. 210 Km
b. 30 Km
c. 60 Km
d. 90 KM