MCQOPTIONS
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| 1. |
8 pipes are required to fill a tank in 2 hours. How long will it take if 5 pipes are used? |
| A. | 3 hours 12 minutes |
| B. | 3 hours 48 minutes |
| C. | 3 hours 4 minutes |
| D. | 3 hours 36 minutes |
| Answer» B. 3 hours 48 minutes | |