A boy was asked to multiply a number by 25 but by mistake, he multiplied by 45 and the answer was 200 more than the correct answer. What was the number?
Answer & explanation
Correct answer: option 2
According to the question,
(45 - 25) * x = 200
20 * x = 200
x = \(\frac{200}{ 20}\)
x = 10