Discussion :: Boats and Streams
- A person can swim in still water at 4 km/h. If the speed of water 2 km/h, how many hours will the man take to swim back against the current for 6km?
Answer : Option A
Explanation :
M = 4
S = 2
US = 4 - 2 = 2
D = 6
T = 6/2 = 3
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