MCQOPTIONS
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| 1. |
Water flows into a tank 180 m × 140 m through a rectangular pipe of 1.2 m × 0.75 m at a rate of 15 km / h. In what time will the water rise by 4 m? |
| A. | 6 hours 42 minutes |
| B. | 7 hours 28 minutes |
| C. | 8 hours 12 minutes |
| D. | 5 hours 46 minutes |
| Answer» C. 8 hours 12 minutes | |