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    Question

    In a sports club, the ratio of the number of footballs,

    basketballs, and volleyballs is 3:2:4, respectively, and the average number of these items is 72. What is the average number of footballs and basketballs in the club?
    A 96 Correct Answer Incorrect Answer
    B 60 Correct Answer Incorrect Answer
    C 85 Correct Answer Incorrect Answer
    D 70 Correct Answer Incorrect Answer

    Solution

    ATQ,

    Let the number of footballs in the club = тАШ3xтАЩ

    Then, the number of basketballs in the club = тАШ2xтАЩ

    And, the number of volleyballs in the club = тАШ4xтАЩ

    According to the question,

    Image

    So, the average number of footballs and basketballs =

    Image

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