railway RRB NTPC Mock Test Series 2024-25 (CBT 1 + CBT 2) Quantitative Aptitude Speed Time and Distance Boat and River
In 4 h, a boat goes 12 km along the stream. It covers 6 km against the stream in the same time. The speed of the boat in still water (in km/h) is:
1
2.25
2
1.16
3
3.12
4
1.11