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?

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Accepted Answer

Rate downstream = ❨ 1 x 60 ❩km/hr = 6 km/hr. 10 <…

∴ Required time =	❨	5	❩hrs = 1	1	hrs = 1 hr 15 min.
		4		4

Speed in still water =	1	(6 + 2) km/hr = 4 km/hr.
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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?

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