Question

a boy was asked to multiply a number by 25 he instead he multiply the number by 52 and got the answer 324 more than the correct answer the number to be multiplied was

Answer 1

Let the number be x.

Then, 52x - 25x = 324.

<=> 27x = 324.

<=> x = 12.

Answer 2

Let the required number be x
According to the question
$x \times 25 + 324 =x \times52 \\ 25x + 324 = 52x \\ 52x - 25x = 324 \\ 27x = 324 \\ x = \frac{324}{27} \\ x = 12$
So, the required number is 12