Trick 1

Some of my Tricks-

My Question to you Can you multiply,  4532878759285 x 9999999999999 = ?   , in less than 15 seconds.

From my Tricks you will be able to do this,in less than 15 seconds.

Trick 1. How to multiply any number by 9 ,99,999,9999,99999....and so on.

Example-

Q.-56731 x 99999

Step 1. Subtract 1 from 56731

             

Step 2. Write down the answer
            56731-1= 56730

Step 3. Subtract 56730 from 99999.


                                                           

       
                                     
                       

                                   







Step 4.Write the answer.

                                                               

                                                                       

Step 5.Join both the answers.
 99999 x 56730 = 5673043269
                                                                                 

                                                                   

Such a simple Question done in seconds.





Now Try Some Questions On Your own


1.  619235 x 999999 = ?
2.  72991 x 99999 = ?
3. 4532878759285 x 9999999999999 = ?