MCQOPTIONS
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| 1. |
Q: An electric pump can fill a tank in 3 hours. Because of a leak in the tank, it took 3 ½ hours to fill the tank. The leak can drain out all the water of the tank in…… |
| A. | 10 ½ hrs. |
| B. | 12 hrs. |
| C. | 21 hrs. |
| D. | 24 hrs. |
| Answer» D. 24 hrs. | |