The speed of a motor boat in still water is 15km/hour. If it goes down the stream 30km and again returns to the starting point in a total time of 4 hours and 30 minutes. Find the speed of the stream.
Answers
Answered by
1
5 km/hour
time=distance/speed
during down speed =15+v
and upstream =15-v
and distance will be same in both case.
Similar questions