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1. |
A boat while travelling upstream covers a distance of 29 km at the speed of 6 km/h, whereas while travelling downstream it covers the same distance at a speed of 12 km/h. What is the speed of the boat in still water? |
A. | 6 kmph |
B. | 8 kmph |
C. | 9 kmph |
D. | 11 kmph |
Answer» D. 11 kmph | |