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1. |
A boy swims a certain distance in 15 min at the rate of 24 km/h. How much time will he take if his speed reduces to 20 km/h to cover the same distance? |
A. | 18 min |
B. | 12.5 min |
C. | 16.5 min |
D. | 13 min |
Answer» B. 12.5 min | |