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Sahil can row 3 km against the stream in 20 minutes and he can return in 18 minutes. What is rate of current ?

  • 1/2 km/hr
  • 1/3 km/hr
  • 2 km/hr
  • 4 km/hr
Similar Questions :

1. A man can row \begin{aligned} 9\frac{1}{3} \end{aligned} kmph in still water and finds that it takes him thrice as much time to row up than as to row, down the same distance in the river. The speed of the current is.

  • \begin{aligned} 3\frac{2}{3}kmph \end{aligned}
  • \begin{aligned} 4\frac{2}{3}kmph \end{aligned}
  • \begin{aligned} 5\frac{2}{3}kmph \end{aligned}
  • \begin{aligned} 6\frac{2}{3}kmph \end{aligned}

2. 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

3. 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

4. A man can row upstream 10 kmph and downstream 20 kmph. Find the man rate in still water and rate of the stream.

  • 0,5
  • 5,5
  • 15,5
  • 10,5

5. The speed of a boat in still water is 15 km/hr and the rate of current is 3 km/hr. The distance travelled downstream in 12 minutes is

  • 1.6 km
  • 2 km
  • 3.6 km
  • 4 km
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