regulatoryBody RBI Office Attendant Mock Test 2021 Quantitative Aptitude Speed Time and Distance Boat and River
The speed of boat in still water is 6 km/hr and speed of stream is 3 km/hr. Calculate the time taken to cover 27 km distance downstream and returning on it upstream.
1
9 hr
2
6 hr
3
11 hr
4
12 hr
5
3 hr