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· 1 Months ago

I think sir option 18 is right answer

Question:

A man can swim 5 km/hr in still water. If the velocity of the stream be 4 km/hr, the time taken by him to swim to a place 18 km upstream and back is–

Options:
A) 16 hours
B) 20 hours
C) 24 hours
D) 18 hours
Solution:
Ans: (b)


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