MATHS TRICKS

MATHS TRICKS

TRICK NO . 1

​Squaring Of A Number Whose Unit Digit Is 5

Find (55) ² = ? ​

Step 1. 55 x 55 = . . 25 (end terms)

Step 2. 5x (5+1) = 30

So our answer will be 3025. ​

Multiply a Number By 5

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​Take any number, and depending on its even or odd nature, divide the number by 2.

​Even Number:

​2464 x 5 =?

​Step 1. 2464 / 2 = 1232

Step 2. add 0

The answer will be 2464 x 5 = 12320

​Odd Number:

​3775 x 5Step

1. Odd number; so ( 3775 - 1) / 2 = 1887

Step 2. As it is an odd number, so instead of 0 we will put 5

The answer will be 3775 x 5 = 18875

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Dividing A Large Number By 5

1st step. Multiply the number by 2

2nd step: Move the decimal point to left.

3rd step: Left side of the decimal point is your answer.

​For example: 245 / 5 =?

Step 1. 245 * 2 = 490

​Step 2. Move the decimal: 49.0 or just 49

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