state gov UP Police ASI Mock Test 2023 - 24 Quantitative Aptitude Speed Time and Distance Boat and River
The speed of a boat in still water is thrice the speed of the stream. If the boat takes 15.5 sec to go to a certain place downstream, then find the additional time required to cover the same distance travelling upstream.
1
15.5 sec
2
29 sec
3
31 sec
4
35 sec