MCQOPTIONS
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| 1. |
A can do a certain work in 25 days which B alone can do in 20 days. A stared the work and was joined by B after 10 days. The work was completed in |
| A. | 15 1/3 days |
| B. | 18 2/3 days |
| C. | 16 2/3 days |
| D. | 14 1/3 days |
| Answer» D. 14 1/3 days | |