The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. The distance traveled downsream in 12 minutes is
3.6 km
2.4 km
4.2 km
5 km
1.2 km
Downstream Speed = 15 + 3 => 18 K/h
Distance travelled in 12 minutes = 18 x 12/60 => 3.6 Km