state gov OSSSC RI, ARI, AMIN, SFS, ICDS Supervisor Combined Mock Test 2023-25 Quantitative Aptitude Speed Time and Distance Boat and River
A boat goes 145 km upstream in 29 hours and a distance of 210 km downstream in 30 hours. Find the speed of the boat in still water. (In kmph)
1
12
2
10
3
6
4
8