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1. |
The speed of a boat in still water is 10 km/hr. If it can travel 26 km downstream and 14 km upstream in the same time, the speed of the stream is: |
A. | 1.5km/hr |
B. | 2.5 km/hr |
C. | 3 km/hr |
D. | 4.5 km |
Answer» D. 4.5 km | |