If a man rows at 6 kmph in still water and 4.5 km against the current, then his along the current is?
7.5 kmph
6 km
5.5 kmph
9 km
8 km
Man's Speed = 6
Upstream Speed = 4.5
Speed of Current = 6 - 4.5 => 1.5
Downstream Speed = 6 + 1.5 => 7.5 Kmph