MCQOPTIONS
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| 1. |
A pump can fill a tank with water in 2 hours. But because of a leak in the tank it takes 2 1/3 hours to fill the tank. The leak can empty the tank in_ |
| A. | 2 1/3 hours |
| B. | 7 hours |
| C. | 8 hours` |
| D. | 14 hours |
| Answer» E. | |