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JobEsteem Online Course

On

Quantitative Aptitude

Presented By

Simplification

Addition and Subtraction

Multiplication FractionSquare and Square root

Cube and Cube Root

VBOD Mass rules

Maths trick # 1

Shortcut Multiplication with Numbers closer but less than 100

99

x 98

Step 1: Take the difference with 100

1

2

2

Step 2: Multiply the difference

Step 3: After Multiplying the difference

if the answer is a single digit then put

a ‘0’ before the answer .

0

Step 4: Diagonally subtract the number

with the difference

97

97

x 98

3

2

6095

94

x 96

6

4

2490

Math trick # 1

91

x 92

9

8

7283

95

x 99

5

1

5094

1) 98

x 94

2

6

1292

2) 92

x 99

8

1

0891

3) 93

x 97

7

3

2190

4)

91

x 92

9

8

7283

5) 96

x 95

4

5

2091

6) 94

x 91

6

9

5485

7) 97

x 91

3

9

2788

8)

Step 1: Take the difference with 100

Step 2: Multiply the difference

Step 3: After Multiplying the difference

if the answer is a single digit then put

a ‘0’ before the answer .

Step 4: Diagonally subtract the number

with the difference

Maths trick # 1

Shortcut Multiplication with Numbers closer but less than 100

Maths trick # 2

Maths trick # 2

Shortcut Multiplication with Numbers closer but greater than 100

102

x 101

2

1

20103

105

x 107

5

7

35112

109

x 102

9

2

18111

Step 1: Take the difference with 100

Step 2: Multiply the difference

Step 3: After Multiplying the difference

if the answer is a single digit then put

a ‘0’ before the answer .

Step 4: Diagonally Add the number

with the difference

Maths trick # 2

Shortcut Multiplication with Numbers closer but greater than 100

103

x 104

Step 1: Take the difference with 100

3

4

12

Step 2: Multiply the difference

Step 3: After Multiplying the difference

if the answer is a single digit then put

a ‘0’ before the answer .

Step 4: Diagonally Add the number

with the difference

107

1) 2) 3) 4)102

x 104

2

4

80106

109

x 105

9

5

45114

108

x 107

8

7

56115

Maths trick # 3

Maths trick # 3 Shortcut Multiplication with 11

123 x 11 =

Step 1: put two dots at the extreme ends

3531

412 x 11 = 2354

Step 1: keep on adding digits from right

forming a chain

5312 x 11 = 23485

Maths trick # 3 Shortcut Multiplication with 11

321 x 11 = 1353

214 x 11 = 4532

2314 x 11 = 45452

1)

2)

3)

162 x 11 = 28714)

Step 1: put two dots at the extreme ends

Step 1: keep on adding digits from right forming a chain

Maths trick # 4

Maths trick # 4 Multiplication of any two digit number with any two digit number

1)

2) +

3)

32

x 21

276

3 + 4

12

x 14

861

4 + 2

13

x 14

218

4 + 3

1

26

x 23

819

6 + 12

15

Maths trick # 4 Multiplication of any two digit number with any two digit number

1)

Class Work :

13

x 21

372

2) 62

x 12

447

3) 43

x 14

206

4) 51

x 31

1815

5) 15

x 13

591

6) 34

x 41

4913

7) 26

x 21

645

8) 31

x 12

273