The speed of a boat in still water is 6 km/hr. If it is taken against the stream rather than in the direction of the stream...

The speed of a boat in still water is 12 kmph . If the boat covers 36 km upstream in 4 hours , what is the speed of stream ?

The speed of a boat in still water is 8km/hr It can go 15km upstream and 22km downstream in 5 hours.Find the speed of the stream.

If the speed of a boat in still water is 8 km/h and the rate of stream is 4 km/h, then find upstream speed of the boat.