a boatman goes 2 km against the current of the stream in 1 h and goes 1 km alo

Question

a boatman goes 2 km against the current of the stream in 1 h and goes 1 km along the current in 10 min. how long will he take to go 5 km in stationary water?

Options:

A . 1 h 30 min

B . 1 h 15 min

C . 1 h

D . 40 min

Answer: Option B
Explanation :

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