state gov Jharkhand Police Constable Mock Test 2023 Quantitative Aptitude Speed Time and Distance Boat and River
Ratan can row a boat for a certain distance downstream in 6 hours and can return the same distance in 9 hours. If the stream flows at a rate of 12 km/h, find the speed of Ratan in still water.
1
60 km/h
2
40 km/h
3
45 km/h
4
50 km/h