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Arithmetic Aptitude :: Time and Work

Directions To Solve

Each of the questions given below consists of a statement and / or a question and two statements numbered I and II given below it. You have to decide whether the data provided in the statement(s) is / are sufficient to answer the given question. Read the both statements and

  • Give answer (A) if the data in Statement I alone are sufficient to answer the question, while the data in Statement II alone are not sufficient to answer the question.
  • Give answer (B) if the data in Statement II alone are sufficient to answer the question, while the data in Statement I alone are not sufficient to answer the question.
  • Give answer (C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
  • Give answer (D) if the data even in both Statements I and II together are not sufficient to answer the question.
  • Give answer(E) if the data in both Statements I and II together are necessary to answer the question.

 

  1. A and B together can complete a task in 7 days. B alone can do it in 20 days. What part of the work was carried out by A?

    I. 

    A completed the job alone after A and B worked together for 5 days.

     II. 

    Part of the work done by A could have been done by B and C together in 6 days.

  2. A.

    I alone sufficient while II alone not sufficient to answer

    B.

    II alone sufficient while I alone not sufficient to answer

    C.

    Either I or II alone sufficient to answer

    D.

    Both I and II are not sufficient to answer

    E.

    Both I and II are necessary to answer

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  3. How long will Machine Y, working alone, take to produce x candles?

      I. Machine X produces x candles in 5 minutes.

     II. Machine X and Machine Y working at the same time produce x candles in 2 minutes.

     

     

  4. A.

    I alone sufficient while II alone not sufficient to answer

    B.

    II alone sufficient while I alone not sufficient to answer

    C.

    Either I or II alone sufficient to answer

    D.

    Both I and II are not sufficient to answer

    E.

    Both I and II are necessary to answer

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