engineering recuitment UPCL AE (E&M) 2021 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A boat can row downstream at 30 km and upstream at 12 km. If boat takes 6 hours to cover each distance, then the velocity (in km/h) of the current is?
1
1.2 km/h
2
1.7 km/h
3
1.5 km/h
4
1.8 km/h