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  1. Find the numbers which are in the ratio 3 : 2 : 4 such that the sum of the first and the second added to the difference of the third and the second is 21 ?
    2. A.
    12, 8, 16
    B.
    6, 4, 8
    C.
    9, 6, 24
    D.
    9, 6, 12
    E.
    None of these.

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    Answer : Option D

    Explanation :

    Let the numbers be a, b and c.

    Given that a, b and c are in the ratio 3 : 2 : 4. 

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