Home International 7 Mathematical Hacks to Turn you into a Genius

7 Mathematical Hacks to Turn you into a Genius

1. Square of two digit number ending with 5.

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picturesource;www.lifehacker.co.in

To square a two digit number ending with 5, follow this trick.
Multiply the first digit by itself, add one to it and put 25 at the end.

 

 

2. Multiplication by 11

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picturesource;www.lifehacker.co.in

No matter how long a number is, now you can multiply it by 11 within a few seconds.

 

 

3. Nine times table

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picturesource;amazingly.co

Learn the table of 9 by writing a countdown from 0 to 9 at ones place and reverse countdown from 9 to 0 at tens place.

 

 

4. To find percent value.

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picturesource;www.lifehacker.co.in

Divide both the numbers by 10 and multiply the result figures.

 

 

5. Multiplication by 5

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picturesource;www.lifehacker.co.in

To multiply any complex number by 5, half the given number and add 0 (if it is a whole number) or 5(if it is a fraction) at the end.

 

 

6. Multiplication by 12

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picturesourcewww.pinterest.com;

To multiply any number by 12, double the last digit and thereafter double each digit and add the answer to its successor digit.

 

7. Complex multiplication

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picturesource;www.lifehacker.co.in

To multiply complex numbers near to 100, follow this trick.