[" 1) A sailor goes "8km" downstream in "40" minutes and comes back in "1" hour.Find the speed "],[" of sailor in still water "&" the speed of stream."]

A sailor goes 8km downstream in 40 minutes and returns in 1 hours.Determine the speed of the sailor in still water and the speed of the current.

A sailor goes 8 km downstream in 40 minutes and returns in 1 hours. Determine the speed of the sailor in still water and the speed of the current.

A motorboat takes 6 hours to cover 100km downstream and 30km upstream.If the boat goes 75km downstream and returns back to the starting point in 8 hours,find the speed of the boat in still water and the speed of the stream.

A motor boat takes 6 hours to cover 100 km downstream and 30 km upstream. If the boat goes 75 km downstream and returns back to the starting point in 8 hours, find the speed of the boat in still water and the speed of the stream.

If a boat goes 7 km upstream in 42 minutes and the speed of the stream is 3 kmph, the speed of the boat in still water is :

A boat goes 40 km upstream in 8 hours and 36 km downstream in 6 hours. The speed of the boat in still water is