MCQOPTIONS
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| 1. |
Find the ratio of average number of book sold by B and D together to the number of books sold by A alone. |
| A. | 2 : 1 |
| B. | 3 : 2 |
| C. | 1 : 2 |
| D. | 1 : 1 |
| E. | 2 : 3 |
| Answer» E. 2 : 3 | |