state gov UP Police SI (दरोगा) Mock Test Series 2025 Quantitative Aptitude Speed Time and Distance Boat and River
What is the downstream speed of a boat when the speed of the boat in still water is 10 m/s and the speed of the river is 20% of the speed of the boat?
1
8 m/s
2
12 m/s
3
4 m/s
4
9 m/s