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-   -   Two taps can fill a tank in 75/8 hours .Tap of larger diameter take 10 hours less tha (https://www.askmehelpdesk.com/showthread.php?t=476271)

  • Jun 3, 2010, 10:52 PM
    rimajohn
    Two taps can fill a tank in 75/8 hours .Tap of larger diameter take 10 hours less tha
    Two taps can filla tank in 75/8 hours.If tap of larger diameter take 10 hours less than the smaller one to fill the tank separately.Find the time taken by the taps to fill the tank separately?
  • Jun 4, 2010, 03:55 AM
    galactus

    Think of it as how much of the tank can each tap fill in 1 hour.

    Let t be the time for the first tap to fill the tank. Then, it fills 1/t of the tank in 1 hour.

    So, we have:



    Solve for t.

    When doing these, think reciprocals.

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