state gov Kolkata Police Constable Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
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