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1. |
If speed of boat in still water is 10 km/hr and the speed of stream is 2 km/hr, then what is the upstream and downstream speeds (in km/hr) of the boat? |
A. | 12, 16 |
B. | 6, 12 |
C. | 8, 12 |
D. | 6, 14 |
Answer» D. 6, 14 | |