a student was asked to find `3/7th` of a number and he instead multiply it by `7/3`. as a result he got an answer which was more than the correct answer by 1680.what was the number

In an examination, a student was asked to divide a certain number by 8. By mistake he multiplied it by 8 and got the answer 2016 more than the correct answer. What was the number ?

A student 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 candidate in an examination was asked to find (5)/(14) of a certain number.By mistake he (5)/(4) found of it.Thus his answer was 25 more than the correct answer.What was the number?

Smita was asked to multiply a certain number by 36. She multiplied it by 63 instead and got an answer of 3834 more than the correct one. What was the number to be multiplied?

In a examination , a student was asked to find (3)/(14) of a certain number , By mistake , he found (3)/(4) of it. His answer was 150 more than the correct answer . The given number is :

A student was asked to multiply a number by (2)/(3) but he divided that number by (2)/(3) . His result was 10 more than the correct answer. The number was -

Instead of multiplying a number by 0.72, a student multiplied it by 7.2. If his answer was 2592 more than the correct answer, then the original number was

A student was asked to multiply a given number by (4)/(5) .By mistake,he divided the given number by (4)/(5) .His answer was 36 more than the correct answer.What was the given number?

A student was asked to divide a number by (17)/(8) Instead,he actually multiplied it by (17)/(8) and hence got 225 more than the expected answer. What was the expected answer? (a) 64 (b) 126 (c) 136 (d) None of these