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Home Aptitude Pipes and Cistern See What Others Are Saying!
  • Question
  • A cistern has a leak which would empty the cistern in 20 minutes. A tap is turned on which admits 4 liters a minute into the cistern, and it is emptied in 24 minutes. How many liters does the cistern hold ?


  • Options
  • A. 360 lit
  • B. 480 lit
  • C. 320 lit
  • D. 420 lit

  • Correct Answer
  • 480 lit 

    Explanation

    1/k - 1/20 = -1/24

    k = 120

    120 x 4 = 480

    Therefore, the capacity of the cistern is 480 liters.

  • Tags: AIEEE, Bank Exams, CAT, Bank Clerk, Bank PO

    More questions

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    • Options
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