engineering recuitment PGCIL Diploma Trainee Mock Test 2024 Quantitative Aptitude Speed Time and Distance Boat and River
A man rows downstream at 20 km/hr and rows upstream at 15 km/hr. At what speed he can row in still water?
1
17.5 km/hr
2
18 km/hr
3
20.5 km/hr
4
22 km/hr