Question:medium

The speed of a boat in still water is 5 km/hr. If it takes thrice as much time in going 20 km upstream as in going the same distance downstream, find the speed of the stream:

Show Hint

Upstream speed = still water speed - stream speed; Downstream speed = still water speed + stream speed.
Updated On: Mar 26, 2026
  • 5.5 km/hr
  • 2.5 km/hr
  • 6.5 km/hr
  • 15.5 km/hr
  • 3.5 km/hr
Show Solution

The Correct Option is B

Solution and Explanation

Was this answer helpful?
0