Use some thinking to answer the following question. In one hour, a boat goes 11 km/hr along the stream and 5 km/hr against the stream. The speed of the boat in still water (in km/hr) is:\nOptions:\n(A) 3 km/hr\n(B) 2 km/hr\n(C) 4 km/hr\n(D) 6 km/hr\n(E) 8 km/hr
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Speed in still water = 1/2 (11 + 5) kmph = 8 kmph. So the final answer is (E).
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