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    Question

    The average number of coins distributed among five

    friends is 15. If each friend received 1 coin more than the friend before, then find the highest number of coins received by any friend.
    A 16 Correct Answer Incorrect Answer
    B 17 Correct Answer Incorrect Answer
    C 18 Correct Answer Incorrect Answer
    D 15 Correct Answer Incorrect Answer

    Solution

    Let the coins received by 1st friend be тАШxтАЩ
    According to the question,
    (x + x + 1 + x + 2 + x + 3 + x + 4) = 15 ├Ч 5
    Or, 5x + 10 = 75
    Or, 5x = 65
    Or, x = 13
    Therefore, highest number of coins received by any friend = (x + 4) = 17

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