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JobEsteem
Welcometo
JobEsteem Online CourseOn
Quantitative Aptitude
Presented By
Chapter 1
Simplification
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Simplification
Addition and
Subtraction
Multiplication Fraction Square and
Square rootCube and Cube Root
VBOD Mass rules
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Maths trick # 1
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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
6 095
94
x 96
6
4
2490
Math trick # 1
91
x 92
9
8
7283
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95
x 99
5
1
5 094
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
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Maths trick # 2 Shortcut Multiplication with Numbers closer but greater than 100
102
x 101
2
1
2 0103
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
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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
8 0106
109
x 105
9
5
45114
108
x 107
8
7
56115
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Maths trick # 3
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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
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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 = 2871 4)
Step 1: put two dots at the extreme ends
Step 1: keep on adding digits from right forming a chain
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Maths trick # 4
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Maths trick # 4 Multiplication of any two digit number with any two digit number
1)
2) +
3)
32
x 21
2 76
3 + 4
12
x 14
8 61
4 + 2
13
x 14
2 18
4 + 3
1
26
x 23
8 19
6 + 12
1 5
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Maths trick # 4 Multiplication of any two digit number with any two digit number
1)
Class Work :
13
x 21
3 72
2) 62
x 12
4 47
3) 43
x 14
2 06
4) 51
x 31
1 815
5) 15
x 13
5 91
6) 34
x 41
4 913
7) 26
x 21
6 45
8) 31
x 12
2 73
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Thanks
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