engineering recuitment NMC JE Civil Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
Vinod can row a certain distance downstream in 4 hours and return the same distance in 6 hours. If the stream flows at the rate of 3 km/hr, then find the speed of Vinod in still water?
1
20 km/hr
2
15 km/hr
3
30 km/hr
4
45 km/hr