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1. |
The speed of a boat in still water is 10 km/hr . If i can ravel 26 km downstream and 14 km upstream in the same time , the speed of he stream is : |
A. | 2 km/hr |
B. | 2.5 km/hr |
C. | 3 km/hr |
D. | 4 km/hr |
Answer» D. 4 km/hr | |