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    Question

    The average of two consecutive even numbers is 71. If the

    smaller number is increased by 45% and the larger number is decreased by 45%, then find the difference between the numbers obtaine
    A 61.5 Correct Answer Incorrect Answer
    B 62.3 Correct Answer Incorrect Answer
    C 60.9 Correct Answer Incorrect Answer
    D 61.9 Correct Answer Incorrect Answer
    E 63 Correct Answer Incorrect Answer

    Solution

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

    ATQ,
    x + 1 = 71 => x = 70

    Required difference = 1.45 × 70 - 0.55 × 72 = 101.5 - 39.6 = 61.9

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