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A boat can travel with a speed of 13 km / hr in still water. If the speed of the stream is 4 km / hr, find thl time taken by the boat to go 68 km dawnstream. | |
A. | 2 hours [Wrong Answer] |
B. | 3 hours [Wrong Answer] |
C. | 4 hours [Correct Answer] |
D. | 5 hours [Wrong Answer] |