A boy was asked to multiply a number by 25. He instead multiplied the number by 52 and got the answer 324 more than the correct answer. The number to be multiplied was:

A boy was asked to multiply a number by 25. He instead multiplied the number by 52 and got the answer 324 more than the correct answer. The number to be multiplied was:

A 12

B 15

C 25

D 32

Solution

Correct Answer: Option A

let number is= x. now 52x = 25x + 324 or, x= 12