[PPSC JE (Civil) 2022]
50. A boatman goes 4 km against the current of the stream in 2 hours and goes 3 km along the current in 30 minutes. How long will it take to go 9 km in stationary water ?
2 hours 15 minutes
1 hour 45 minutes
1 hour 30 minutes
2 hours
Correct Answer :
2 hours 15 minutes