MCQOPTIONS
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| 1. |
A pump can fill a tank with water in 2 hours. Because of a leak in the tank it was taking 21 hours to fill the tank. The leak can drain all the water off the tank in : 3 |
| A. | 8 hours |
| B. | |
| C. | 7 hours |
| D. | 14 hours |
| Answer» E. | |