Question :
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?
1. 40 minutes
2. 1 hour
3. 1 hr 15 min
4. 1 hr 30 min
Answer :
3 - 1 hr 15 min
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