BANK IBPS RRB PO Mock Test Series 2025 (Pre + Mains) Quantitative Aptitude Speed Time and Distance Boat and River
A boat covers the distance of 400 km in both upstream and returns the same distance downstream. Speed of the stream is 1/9 th of the speed of the boat in still water. If the time taken by the boat to cover the distance upstream is 4 hours more than downstream. Find the speed of the boat in still water.
use = √5 = 2.5
1
52.5 kmph
2
47.7 kmph
3
45 kmph
4
22.5 kmph
5
25 kmph