state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Time and Work
A boat can be rowed 9 km upstream or 18 km downstream in a period of 3 hrs. What is the speed of the boat in still water in km/hr?
1
4 km/hr
2
4.5 km/hr
3
3 km/hr
4
3.5 km/hr