Loading [MathJax]/jax/output/HTML-CSS/jax.js
download Mastguru Android App

Question Detail

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
Similar Questions :

1. 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

2. 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

3. 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

4. A man can row 913 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.

  • 323kmph
  • 423kmph
  • 523kmph
  • 623kmph

5. 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
Read more from - Boats and Streams Questions Answers
Post a comment

  • Lakshmi Chandran 8 years ago

    can anyone explain in this question
    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
    how the downstream time become 450????