MCQOPTIONS
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MCQOPTIONS
| 1. |
To do a certain work, the ration of efficiency of A to that of B is 3 ∶ 7 Working together, they can complete the work in \(10\frac{1}{2}\) days. They work together for 8 days. 60% of the remaining work will be completed by A alone in∶ |
| A. | \(6\frac{1}{2}days\) |
| B. | 4 days |
| C. | \(5\frac{1}{2}days\) |
| D. | 5 days |
| Answer» E. | |