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    Question

    Consider three numbers 'X', 'Y',

    and 'Z' that are in the ratio 18:25:30. If the value of 'X' and 'Z' is decreased by 12.5%, and the value of 'Y' is raised by 12%, find the new ratio of 'X', 'Y', and 'Z'.
    A 19:16:15 Correct Answer Incorrect Answer
    B 9:17:19 Correct Answer Incorrect Answer
    C 9:16:15 Correct Answer Incorrect Answer
    D 19:16:19 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the numbers 'X', 'Y' and 'Z' be '18k', '25k' and '30k', respectively. Required ratio = (0.875 × 18k) :(1.12 × 25k) :(0.875 × 30k) = 9:16:15 

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