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1 sec tricks : 95*97 and 107*104

Debraj Paul
19/03/2017 0 0

Steps: 1) Find the difference of each number from 100:
95 x 97
5 3
2) Cross Subtract the difference
(95-3)=(97-5)=92 => This is the first part of the answer

3) Multiply the differences
5 x 3 = 15 => This is the last part of the answer

THUS, 95 x 97 = 9215

*Multiplying three digit numbers


(greater than 100 and less than or equal to 120) with each other:
Example:- 107 x 104

Steps: 1) Find the difference of each number from 100:
107 x 104
7 4
2) Cross add the difference
(107+4)=(104+7)=111 => This is the first part of the answer

3) Multiply the differences:
7x4=28 => This is the last part of the answer

THUS, 107x104= 11128

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