MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
| 1. |
To do a certain work, the ratio of the efficiencies of A and B is 7 : 5. Working together, they can complete the same work in \(17 \frac{1}{2}\) days. A alone will complete 60% of the same work in: |
| A. | 21 days |
| B. | 16 days |
| C. | 15 days |
| D. | 18 days |
| Answer» E. | |