railway RRB Group D Mock Test Series 2024-25 Quantitative Aptitude Speed Time and Distance Boat and River
To go 144 km upstream, a rower takes 12 hours, while it takes her only 9 hours to row the same distance downstream. What was the speed (in km/h) of the stream?
1
2 km/h
2
1 km/h
3
1.5 km/h
4
3 km/h