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Home » Arithmetic Aptitude » Pipes & Cisterns :: Discussion
Discussion :: Pipes & Cisterns - Section 2

  1.  

    Two pipes fill a tank in 20 and 24 minutes respectively and a waste pipe can empty 3 gallons per minute. All the three pipes working together can fill the tank in 15 min. The capacity of the tank is?
    2. A.
    120 gallons
    B.
    190 gallons
    C.
    150 gallons
    D.
    10 gallons

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