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    Question

    The average of two consecutive even numbers is 61. If

    the smaller number is increased by 18% and the larger number is decreased by 18%, then find the difference between the numbers obtaine
    A 19.5 Correct Answer Incorrect Answer
    B 20.3 Correct Answer Incorrect Answer
    C 18.9 Correct Answer Incorrect Answer
    D 19.96 Correct Answer Incorrect Answer

    Solution

    Let the two consecutive even numbers be x and x + 2.

    ATQ,
    x + 1 = 61 => x = 60

    Required difference = 1.18 × 60 - 0.82 × 62 = 70.8 - 50.84 = 19.96

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