Give a quick stream of consciousness before answering 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) 6\n(B) 7\n(C) 8\n(D) 9\n(E) 5
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Speed in still water = 1 (11 + 5)/2 kmph = 8 kmph.
The answer: (C).
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