A boy was asked to multiply a given number by (8/17). Instead he divided the given number by (8/17) and got the result 225 more then what he should have got if he had multiplied the number by ( 8/17). The given number was?

8

17

64

136

Correct Answer: 136

Explanation:

∵ N x 17/8 - N x 8/17 =225
⇒ 225 x N / 136 = 225
∴ N = (225 x 136) / 225 = 136

Question

A boy was asked to multiply a given number by (8/17). Instead he divided the given number by (8/17) and got the result 225 more then what he should have got if he had multiplied the number by ( 8/17). The given number was?

Correct Answer: 136

Explanation:

∵ N x 17/8 - N x 8/17 =225
⇒ 225 x N / 136 = 225
∴ N = (225 x 136) / 225 = 136

Accepted Answer

∵ N x 17/8 - N x 8/17 =225 ⇒ 225 x N / 136 = 225 ∴ N = (225 x 136) / 225 = 136