What is the speed of the stream? If

A person rows 10 km an hour in still water and he finds that it takes him just two times as long to row up as to row down a stream. The speed of the stream (in km/hour) is

  1. 4
  2. 5
  3. 9/2
  4. 10/3
Monis Rasool Professor Asked on 14th November 2015 in Maths.
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1 Answer(s)

Answer: (4) 10/3 

Anurag Mishra Professor Answered on 1st January 2016.
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