A boatman goes 3km against the current of stream in 1hr and goes 2km along the current in 20 minutes. How long will he take to go 6km in stationary water

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Q. A boatman goes 3km against the current of stream in 1hr and goes 2km along the current in 20 minutes. How long will he take to go 6km in stationary water

(A) 1.5 hr

(B) 1(1/3) hr

(D) 2(1/3) hr

Correct Answer - Option(B)

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