Login

Multiply 12 and 15 using this method of multiplication and also give a detailed explanation to support your answer.

we cant do 12*15 because 5+2 is not equal to 10 and we can use this method only when the sum of the digits at unit place is equal to 10

  • 1
View Full Answer

G

  • 0

       12*15

therefore, we have to multiply 5 & 2 ie, 10

and we have to multiply 1 & the next highest integer of 1 ie, 2= 2*1= 2

Therefore, 12

                  *15

                  2   10

ie, 210

                                           

  • 1

12 and 15 are numbers whose once digits have 5 and 2 and thier sum is 7 not 10. above rule will be applied when the sum of once digit is 10.

  • 0
What are you looking for?