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1. |
A boat takes 38 hours for travelling downstream from point A to point B and coming back to point C midway between A and B. If the velocity of the stream is 4 kmph and the speed of the boat in still wa |
A. | 240 km |
B. | 120 km |
C. | 360 km |
D. | 180 km |
Answer» D. 180 km | |