"A man takes 3 hours 45 minutes to row a boat 15 km downstream of a river and 2 hours
Channel: Doubtnut
Date: 12/04/2020

"A man takes 3
 hours 45 minutes to row a boat 15 km downstream of a river and 2 hours 30
 minutes to cover a distance of 5 km upstream. Find the speed of the river
 current in km/hr."