MCQOPTIONS
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| 1. |
A and B can together do a piece of work in 6 days and A alone can do it in 9 days. The number of days B will take to do it alone is |
| A. | 18 days |
| B. | 24 days |
| C. | 9 days |
| D. | 12 days |
| Answer» B. 24 days | |