MCQOPTIONS
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| 1. |
S, T and U together can complete a work in 30 days. If the ratio of efficiency of S, T and U is 20 : 15 : 12 respectively, then in how many days U alone can complete the same work? |
| A. | 195/2 |
| B. | 235/2 |
| C. | 225/2 |
| D. | 215/2 |
| Answer» C. 225/2 | |