Here's the link for the solution of a similar query:

http://www.meritnation.com/ask-answer/question/water-is-flowing-at-the-rate-of-15km-h-through-a-pipe-o/quadratic-equations/4146448

http://www.meritnation.com/ask-answer/question/water-is-flowing-at-the-rate-of-15km-h-through-a-pipe-o/quadratic-equations/4146448

Posted by Piyush Jain(teacher)on 19/2/14

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