state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Speed Time and Distance Boat and River
A man swims 12 km downstream and 10 km upstream. If he takes 2 hours each time, then what is the speed of the stream?
1
1.5 km/hr.
2
1.7 km/hr.
3
0.7 km/hr.
4
0.5 km/hr.