A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?

Arithmetic Aptitude

1)	A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km along the current in 10 minutes. How long will it take to go 5 km in stationary water?

A) 1 hour 25 min
B) 1 hour 32 min
C) 1 hour 50 min
D) 1 hour 15 min

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