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Ch 1- Mutliplication short tricks by Ashish Vastri..

Ashish Vastri
06/01/2017 0 0

1. HOW TO MUTLIPLY 2 digit number by 11?

Example 1.                    35 * 11 = 385

Step 1. Add both digits of the two digit number.

3+5 = 8.

Step 2. Place the result in between both the digits.

3_8_5 = 385

Example 2.                     78 * 11 = 858

Step 1. Add both digits of the two digit number.

7 + 8 = 15

Step 2. Carry "1" when result is greater than 9, and add it to the preceding digit.

7 + 1 = 8

Step 3. Place the result in between both the digits...

8_5_8 = 858

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