Speed of a boat is 4 km per hour in still water and the speed of the stream is 2 km per hour. If the boat takes 8 hours to go to a place and come back, then what is the distance of the place?
1
12
2
9
3
15
4
18
Speed of a boat is 4 km per hour in still water and the speed of the stream is 2 km per hour. If the boat takes 8 hours to go to a place and come back, then what is the distance of the place?