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?

✅ Correct Answer: 1 hr 15 min

Explanation

Rate downstream=1/(10)x 60 Rate upstream=2 km/hr. Speed in still water=1/(2)[https://www.indiabix.com/_files/images/aptitude/1-sym-tfr.gif] Required time=5/(4)hrs=1 hr 15 min.

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