Example : 13 * 16

Step I : Sum of first number and last digit of second number or, last digit of first number and second number.

Step 2 : Answer of Step I x 10

Step 3 : Multiply last digit of both the numbers.

Step 4 : Add the solutions of Step 2 and Step 3.

Therefore, 13  x  16  = 208 (It’s the final answer).

 

Please Try :

15*14

17*15