other govt exam India Post Postman & Mail Guard Mock Test 2020 Quantitative Aptitude Speed Time and Distance Boat and River
The speed of a boat in still water is 6km/hr and the speed of the stream is 1.5 km/hr. A man rows to a place at a distance of 22.5 km and comes back to the starting point. The total time taken by him is:-
1
4 hours 10 minutes
2
8 hours
3
10 hours
4
6 hours 10 minutes