police AP Police Constable (Pre + Mains) Mock Test 2022 Quantitative Aptitude Speed Time and Distance Boat and River
A boat can go 40 km downstream and 25 km upstream in 7 hours 30 minutes. It can go 48 km downstream and 36 km upstream in 10 hours. What is the speed (in km/h) of the boat in still water?
1
6
2
12
3
9
4
15