87.A
man's speed with the current is 15 km/hr and the speed of the current is 2.5
km/hr. The man's speed against the current is:
[A]
8.5 km/hr
[C]
10 km/hr
[B]
9 km/hr
[D]
12.5 km/hr
Answer : [C]
Explanation :
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Man's
rate in still water = (15 – 2.5) km/hr = 12.5 km/hr.
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Man's
rate against the current = (12.5 – 2.5) km/hr = 10 km/hr
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