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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
Similar Questions :

1. 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

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 motorboat, whose speed in 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is

  • 2 km/hr
  • 3 km/hr
  • 4 km/hr
  • 5 km/hr

4. 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

5. 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}
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