Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) Quantitative Aptitude Speed Time and Distance Boat and River
Suppose a man swims 12 km upstream and 20 km down stream in a river in 4 hours. If he swims 18 km upstream and 10 km downstream also in 4 hours, then the speed at which he swims in the still water is
1
4 km/hr
2
6 km/hr
3
8 km/hr
4
10 km/hr