MCQOPTIONS
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| 1. |
A can lay railway track between two given stations in 16 days and B can do the same job in 12 days. With help of C, they did the job in 4 days only. Then, C alone can do the job in: |
| A. | 9 1/5 days |
| B. | 9 2/7 days |
| C. | 9 3/5 days |
| D. | 10 |
| Answer» D. 10 | |