A shopkeeper earns a profit of 12% on selling a book at 10% discount on the printed price. The ratio of the cost price and the printed price of the book is = ?
A. 99 : 125
B. 25 : 37
C. 50 : 61
D. 45 : 56
Answer: Option D
Solution (By Examveda Team)
According to the question,| Cost Price | : | Marked Price |
| (100 - Discount) | : | (100 + Profit) |
| 100 - 10 | : | 100 + 12 |
| 90 | : | 112 |
| 45 | : | 56 Answer |

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