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| 1. |
Q: A water tank in a village is normally filled in 8 hours but takes 2 hours longer to fill because of a leak in its bottom. If the tank is full, in how many hrs will the leak empty it ? |
| A. | 34 hrs |
| B. | 36 hrs |
| C. | 38 hrs |
| D. | 40 hrs |
| Answer» E. | |