Multiple Choice Questions on The average ages of 4 member each having the age difference of 2yrs is 54 yrs What is the sum of the........... for Mathematics - All Exams Preparation

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Multiple Choice Questions

The average ages of 4 member each having the age difference of 2yrs is 54 yrs What is the sum of the...........

Quantitative Aptitude ( CCS) Average
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    The average ages of 4 member, each having the age difference of 2yrs is 54 yrs.What is the sum of the youngest and oldest family member ?

    102

    Incorrect Answer

    105

    Incorrect Answer

    107

    Incorrect Answer

    108

    Correct Answer
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    Explanation:

    X+X+2+X+4+X+6 = 54*4 = 216
    4X+12 = 216
    X = 216-12/4 =51
    X+6 = 51+6 = 57
    Required = 51+57 = 108

    By: Sandeep Dubey
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