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    Question

    The average of two consecutive even numbers is 79. If

    the smaller number is increased by 50% and the larger number is decreased by 50%, then find the difference between the numbers obtaine
    A 77 Correct Answer Incorrect Answer
    B 74 Correct Answer Incorrect Answer
    C 78.5 Correct Answer Incorrect Answer
    D 76.2 Correct Answer Incorrect Answer

    Solution

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

    ATQ,
    x + 1 = 79 => x = 78

    Required difference = 1.5 × 78 - 0.5 × 80 = 117 - 40 = 77

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