download Mastguru Android App

Question Detail

A man takes 3 hours 45 minutes to row a boat 15 km downstream of a river and 2 hours 30 minutes to cover a distance of 5 km upstream. Find the speed of the current.

  • 1 km/hr
  • 2 km/hr
  • 3 km/hr
  • 4 km/hr
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. 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

3. 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

4. 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}

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
Read more from - Boats and Streams Questions Answers
Post a comment

  • gowtham 10 years ago

    good