state gov Kolkata Police Constable Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
Ramesh rows in still water with a speed of 4.5 km/h to go to a certain place and come back. Find his average speed for the whole journey, if the river is flowing with a speed of 1.5 km/h.
1
4 km/h
2
6.5 km/h
3
4.5 km/h
4
Data inadequate