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1. |
In the same time-span, Mark Spitz can swim twice the distance downstream than upstream. The speed of the current is 2 kmph. How long would he take to swim 3 km in still water? |
A. | Cannot be determined |
B. | 48 min |
C. | 30 min |
D. | 24 min |
Answer» D. 24 min | |