state gov MP Vyapam Group 4 (AG III & Steno) Mock Test Series 2025 Quantitative Aptitude Speed Time and Distance Boat and River
A motorboat, whose speed is 20 km/h in still water takes 3 hours to cover a distance of 22.5 km upstream and then comes back to its starting point. The speed of the stream (in km/h) is:
1
10
2
9
3
8
4
11