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1. |
Ariver 1.5 m deep and 36 m wide is flowing at the rate of 3.5 km per hour. The amount of water that runs into the sea per minute (in cubic metres) is |
A. | 31500 |
B. | 3150 |
C. | 3150000 |
D. | 6300 |
Answer» C. 3150000 | |