Multiple Choice Questions on The following questions are accompanied by three statements A or I B or II and C or III You have to ........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The following questions are accompanied by three statements A or I B or II and C or III You have to ...........

Quantitative Aptitude ( CCS) Data Sufficiency
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    The following questions are accompanied by three statements (A) or (I), (B) or (II), and (C) or (III). You have to determine which statements(s) is/are sufficient/necessary to answer the questions. 

    Q9. What will be the average of three numbers? 

    A. The largest no. is greater than the smallest by 20. 

    B. The sum of the largest and smallest nos. is equal to twice the middle one. 

    C. The difference of the first two numbers is 10. 

    Only A and C together

    Incorrect Answer

    Only B and C together

    Incorrect Answer

     Any two of them 

    Incorrect Answer

    Question can't be answered even after using all the information

    Correct Answer
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    Explanation:

    let largest no=Z
    middle no=Ysmallest no=X
    from(A) Z=X+20
        (B) X+Z=2Y
        (C)Y-X=10
    therefor from all statement,we cant determine the average value

    By: MIRZA SADDAM HUSSAIN
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