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    Question

    If 'Y' is 40% of 'X', then 'Y' is what percentage of (X

    - Y)?
    A 18.18% Correct Answer Incorrect Answer
    B 40.41% Correct Answer Incorrect Answer
    C 66.67% Correct Answer Incorrect Answer
    D 33.33% Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let 'X' = 100x

    So, 'Y' = 0.40 × 100x = 40x

    And, X - Y = 100x - 40x = 60x

    Required percentage = (40x / 60x) × 100 = 66.67%

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