Question

a boy was asked to multiply a number by 25 ,instead of the multiplied the number by 52 and got the answer 324 more than the correct answer. what is the number ?

Answer 1

Let the original number be x

By condition,
$52x + 324 = 25x \\ 27x = 324 \\ x = \frac{324}{27} \\ x = 12$
Therefore the original number is 12