Aptitude - A pipe fills a tank in 2hrs and another empties it in 3 hrs. How long will it take to fill the tank?

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A pipe fills a tank in 2hrs and another empties it in 3 hrs. How long will it take to fill the tank?

6 hrs

Total Answers and Comments: 2

Last Update: July 30, 2006

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June 04, 2006 04:28:13

hari

RE: A pipe fills a tank in 2hrs and another empties it...

when both taps are in open after 2 hours the tank have 1/3 water.after 4 hours it have 2/3 and 6 hours it have 3/3(that's it filled).

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July 29, 2006 17:56:50

utkarsh

RE: A pipe fills a tank in 2hrs and another empties it...

A pipe fills tank in 2hrs so

IN 1 hr tank will we 1/2 filled.

similarly another pipe empties tank in 3hrs o

In 1 hr tank will we 1/3 emptied.

so in 1hr tank will we 1/2-1/3 1/6 filled

so tand would fill in 6 hrs.

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