state gov Bihar Police Constable (सिपाही) Mock Test Series 2025 Quantitative Aptitude Speed Time and Distance Boat and River
A boat travels upstream at the speed of 20 km/h and downstream at the speed of 30 km/h. What is the speed of the boat in still water?
1
26 km/h
2
25 km/h
3
24 km/h
4
22.50 km/h