Multiply any number by 9 or 99

Rapidly Multiply any number with 9ss

Multiplying a number by 9
Can you do 124 x 9 or 124 x 99 in your mind? Learn to rapidly multiply any number by 9 or 99 and save your time in calculations . This trick will fasten your calculation and help you to save time during exams.

This trick will fasten your calculation and help you to save time during examsMastering this will also help you in Logical reasoning questions involving calculations and even save some precious time while solving Data interpretation questions which involve hige calculations


Steps: -

1. Pick any number to multyply by 9.
example 124 x 9
2. Take your number that you have picked and append a zero to it.In  our case the new number becomes 1240
3. Subtract the original number from the new number. In our case :- 1240 -124 =1116
4. This gives the required result.

So there you have it. You can check that on the calculator if you would like and this will work for all numbers multiplied by 9. Good luck and happy arithmetic!  



****************************************
Multiplying a number by 99

Steps: -

1. Pick any number to multyply by 99.example 124 x 99

2. Take your number that you have picked and append 2 zeroes to it.In  our case    the new number becomes 12400.

3. Subtract the original number from the new number. In our case :- 12400 - 124= 12276

4. This gives the required result.

So there you have it. You can check that on the calculator if you would like and this will work for all numbers multiplied by 9. Good luck and happy arithmetic!