Maths Tricks

Short Maths Tricks

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15 se Multiply  karne ki Short tricks

Q.   245 X 15

Step 1 :- Put zero (0)

2450

Step 2 :- And divide by 2

     (1)  ------- 2450 /   2

     (2) -------  1225  

Step 3 :- add (1) and (2)

                 2450

               +1225

   Ans =    3675

Example :

Q.1  943 X 15

Step 1 :- Put zero (0)

9430

Step 2 :- And divide by 2

     (1)  ------- 9430 /   2

     (2) -------  4715 

Step 3 :- add (1) and (2)

                 9430

               +4715

   Ans =    14145

Q.   5124 X 15

Step 1 :- Put zero (0)

51240

Step 2 :- And divide by 2

     (1)  ------- 51240 /   2

     (2) -------  25620 

Step 3 :- add (1) and (2)

                 51240

               +25640

   Ans =    76860

Q.   45209 X 15

Step 1 :- Put zero (0)

452090

Step 2 :- And divide by 2

     (1)  ------- 452090 /   2

     (2) -------  226045 

Step 3 :- add (1) and (2)

                 452090

               +226045

   Ans =    678135

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