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Arithmetic Aptitude :: Pipes and Cistern

Pipes and Cistern - Important Formulas
Pipes and Cistern - General Questions
Pipes and Cistern - Data sufficiency 1
Pipes and Cistern - Data Sufficiency 2
Pipes and Cistern - [data sufficiency 3]
Directions To Solve

Each of the questions given below consists of a question followed by three statements. You have to study the question and the statements and decide which of the statement(s) is/are necessary to answer the question.

  1.  

    If both the pipes are opened, how many hours will be taken to fill the tank?

    I. 

    The capacity of the tank is 400 litres.

    II. 

    The pipe A fills the tank in 4 hours.

     III. 

    The pipe B fills the tank in 6 hours.
    2. A.

    Only I and II
    B.

    Only II and III
    C.

    All I, II and III
    D.

    Any two of the three
    E.

    Even with all the three statements, answer cannot be given.

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