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    Question

    The average number of stickers distributed among five

    girls is 13. If each girl received 1 sticker more than the girl before, then find the highest number of stickers received by any girl.
    A 14 Correct Answer Incorrect Answer
    B 15 Correct Answer Incorrect Answer
    C 13 Correct Answer Incorrect Answer
    D 12 Correct Answer Incorrect Answer

    Solution

    Let the stickers received by 1st girl be тАШxтАЩ
    According to the question,
    (x + x + 1 + x + 2 + x + 3 + x + 4) = 13 ├Ч 5
    Or, 5x + 10 = 65
    Or, 5x = 55
    Or, x = 11
    Therefore, highest number of stickers received by any girl = (x + 4) = 15

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