Question Detail

If Rahul rows 15 km upstream in 3 hours and 21 km downstream in 3 hours, then the speed of the stream is

  • 5 km/hr
  • 4 km/hr
  • 2 km/hr
  • 1 km/hr
Similar Questions :

1. A man rows 750 m in 675 seconds against the stream and returns in 7 and half minutes. His rowing speed in still water is

  • 4 kmph
  • 5 kmph
  • 6 kmph
  • 7 kmph

2. A boat can travel with a speed of 16 km/hr in still water. If the rate of stream is 5 km/hr, then find the time taken by the boat to cover distance of 84 km downstream.

  • 4 hours
  • 5 hours
  • 6 hours
  • 7 hours

3. A man can row at 5 kmph in still water. If the velocity of the current is 1 kmph and it takes him 1 hour to row to a place and come back. how far is that place.

  • .4 km
  • 1.4 km
  • 2.4 km
  • 3.4 km

4. A man's speed with the current is 20 kmph and speed of the current is 3 kmph. The Man's speed against the current will be

  • 11 kmph
  • 12 kmph
  • 14 kmph
  • 17 kmph

5. A man takes twice as long to row a distance against the stream as to row the same distance in favour of the stream. The ratio of the speed of the boat in still water and stream is

  • 3:1
  • 1:3
  • 2:4
  • 4:2
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