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    If 18 : 24 : : 24 : y, what is the value of y?
    Question

    If 18 : 24 : : 24 : y, what is the value of y?

    A.

    36

    B.

    18

    C.

    24

    D.

    32

    Correct option is D

    Given:

    18 : 24 : : 24 : y 

    Concept Used:

    If a:b :: c:d then ab=cd\frac ab =\frac cd

    Solution:

    18 : 24 : : 24 : y 

    1824=24y  y=24×2418=32\implies \frac{18}{24} = \frac{24}{y}\\\ \\\implies y = \frac{24\times24}{18} = 32​​

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