state gov Bihar Police Constable (सिपाही) Mock Test Series 2025 Quantitative Aptitude Speed Time and Distance Boat and River
A man rows down a river 20 km in 4 h with the stream and returns in 20 h. The speed of the man rowing the boat in still water is
1
2 km/h
2
1.5 km/h
3
3 km/h
4
4.5 km/h