Multiple Choice Questions on The average age of a 3 person is 60 years Those ages are in the proportion of 2 4 6 What is the........... for CDS Exam Preparation

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Multiple Choice Questions

The average age of a 3 person is 60 years Those ages are in the proportion of 2 4 6 What is the...........

Quantitative Aptitude (CDS) Problems based on Ages
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    The average age of a 3 person is 60 years. Those ages are in the proportion of 2:4:6.  What is the age of the youngest one among them?

     

    25
     

    Incorrect Answer

    28
     

    Incorrect Answer

    30
     

    Correct Answer

    32

    Incorrect Answer
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    Explanation:

    (2x+4x+6x)/3=60
    2x+4x+6x=180
    12x=180
    x=180/12=15
    Youngest 2x=2×15=30

    By: bhavesh kumar singh
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