A boatman goes 2 km against the current of the stream in 1 hour and goes 1 km al

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✪ Choose the correct option.

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. 40 minutes
B. 1 hour.
C. 1 hr 30 min.
D. 1 hr 15 min D.

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