engineering recuitment UPCL AE (E&M) 2021 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A boy rows a boat 50 km against the current of the stream in 10 hours and rows a boat 45 km along with the current in 5 hours. Find the speed of the boat in still water?
1
2 km/h
2
4 km/h
3
7 km/h
4
5 km/h