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Numerical Appli...

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  • Question 1
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    Directions For Questions

    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
    $$\bullet$$ 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.
    $$\bullet$$ 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.
    $$\bullet$$ Give answer(C) if the data either in Statement I or in Statement II alone are sufficient to answer the question.
    $$\bullet$$ Give answer(D) if the data even in both Statements I and II together are not sufficient to answer the question.
    $$\bullet$$ Give answer(E) if the data in both Statements I and II together are necessary to answer the question.

    ...view full instructions

    How much time will the leak take to empty the full cistern?
    I. The cistern is normally filled in $$9$$ hours.
    II. It takes one hour more than the usual time to fill the cistern because of la leak in the bottom.

  • Question 2
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    A watch which gains $$5$$ seconds in $$3$$ minutes was set right at $$7$$ a.m. In the afternoon of the same day, when the watch indicated quarter past $$4$$ o'clock, the true time is:

  • Question 3
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    Three pipes A, B and C can fill a tank in $$6$$ hours. After working at it together for $$2$$ hours, C is closed and A and B can fill the remaining part in $$7$$ hours. The number of hours taken by C alone to fill the tank is.

  • Question 4
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    Two pipes A and B together can fill a cistern in $$4$$ hours. Had they been opened separately, then B would have taken $$6$$ hours more than A to fill the cistern. How much time will be taken by A to fill the cistern separately?

  • Question 5
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    Two pipes A and B can fill a tank in $$20$$ and $$30$$ minutes respectively. If both the pipes are used together, then how long will it take to fill the tank?

  • Question 6
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    One pipe can fill a tank three times as fast as another pipe. If together the two pipes can fill the tank in $$36$$ minutes, then the slower pipe alone will be able to fill the tank in.

  • Question 7
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    A tank is filled in $$5$$ hours by three pipes A, B and C. The pipe C is twice as fast as B and B is twice as fast as A. How much time will pipe A lone take to fill the tank?

  • Question 8
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    A tap can fill a tank in $$6$$ hours. After half the tank is filled, three more similar taps are opened. What is the total time taken to fill the tank completely?

  • Question 9
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    A large tanker can be filled by two pipes A and B in $$60$$ minutes and $$40$$ minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?

  • Question 10
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    Three taps A, B and C can fill a tank in $$12, 15$$ and $$20$$ hours respectively. If A is open all the time and B and C are open for one hour each alternately, the tank will be full in.

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