A person can swim in still water at 4 km/h. If the speed of water is 2 km/h, how many hours will
the man take to swim back against the current for 6 km.
3
4
4-1/2
Insufficient data
A person can swim in still water at 4 km/h. If the speed of water is 2 km/h, how many hours will
the man take to swim back against the current for 6 km.