defence exam Coast Guard Navik GD (General Duty) 02/2025 Mock Test Series Quantitative Aptitude Speed Time and Distance Boat and River
Two boats- A and B travelling in the same river travels 200 km upstream in 5 hours and 4 hours respectively and the speed of the stream is 20 km/hr. Find the sum of speed of the boat A and B in still water.
1
80 km/hr
2
50 km/hr
3
70 km/hr
4
130 km/hr