A boat can cover 168 km upstream in 12 hours, if speed of the boat in still water is thrice the speed of the current, then find the downstream distance covered in 5 hours ?
1
128km
2
140km
3
130km
4
170km
5
160km
A boat can cover 168 km upstream in 12 hours, if speed of the boat in still water is thrice the speed of the current, then find the downstream distance covered in 5 hours ?