SSC SSC CHSL (Tier I & Tier II) Mock Test Series 2025 (New) Quantitative Aptitude Speed Time and Distance Boat and River
A motor boat can travel at a speed of 10 km per hour in still water, it goes 36 km downstream in the river and returns the same. It took him a total of 20 hours. What is the speed of river flow?
1
3 km/h
2
5 km/h
3
8 km/h
4
9 km/h