2016 · Q7
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?
Elementary MathematicsNumber System
- A252
- B256
- C258
- D260
Explanation
Let the number be n. The wrong answer is 8n and the correct one is n/8, so 8n − n/8 = 2016. Then 63n/8 = 2016, giving n = 2016×8/63 = 256 (option B).