Civil Services HPPSC (Himachal Pradesh) HPAS Mock Test 2021 Quantitative Aptitude Speed Time and Distance Boat and River
If the speed of a swimmer in still water is 9 km/h. Find the downstream speed of the swimmer, when the river is flowing with the speed of 6 km/h.
1
15 km/h
2
18 km/h
3
3 km/h
4
12 km/h