Question
A swimmer can swim at a speed of 3.5 kilometers per hour in still water. If the time taken to cover a certain distance upstream is 2.5 times the time taken to cover the same distance downstream, then find the velocity of the stream.
ATQ- 2(3.5+S) =5(3.5-S) 7+2S=17.5-5S 7S=10.5 S=10.5/7=1.5km/hMore Boats and streams Questions
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- Time taken by boatman to travel a distance of (d + 60) km downstream and (d + 120) upstream is 10 hours and 20 hours respectively, and the downstream speed...
- The upstream speed of a boat is 12 km/hr. If the boat covers 180 km downstream in 5 hours, find the speed of the current.
- Speed of a boat in still water is 10 kmph and speed of stream is 7 kmph. A man rows to a place at a distance of 51 km and come back to starting point. The ...
- A boat travels 48 km downstream in 3 hours and 36 km upstream in 3 hours. What is the speed of the stream (in km/h)?
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