SSC NTA Delhi University Non-Teaching 2021 Mock Test Quantitative Aptitude Speed Time and Distance Boat and River
A boat covers a certain distance downstream in 0.8 hour, while it comes back in 1.6 hour. If the speed of the stream be 5 km/hr, what is the speed of the boat in still water?
1
18 km/hr
2
15 km/hr
3
16 km/hr
4
22 km/hr