85.A
man can row with the stream at 7 km/hr and against the stream at 3 km/hr. His
speed in still water is:
[A]
6.5 km/hr
[C]
5 km/hr
[B]
7 km/hr
[D]
None of these
Answer : [C]
Explanation :
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Speed
of the man upstream = 7 km/hr.
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Speed
of the man downstream = 3 km/hr.
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Speed
of the man in still water
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=
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(Downstream
Speed + Upstream Speed)
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