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    Question

    In a company team of 18 members, the average age is 29

    years. When 6 more members join, the average age falls to 26. What is the average age of the new members?
    A 15 years Correct Answer Incorrect Answer
    B 16 years Correct Answer Incorrect Answer
    C 17 years Correct Answer Incorrect Answer
    D 18 years Correct Answer Incorrect Answer

    Solution

    Initial sum = 18 × 29 = 522 years
    New team = 24
    New average = 26
    New total = 24 × 26 = 624 years
    Sum of new = 624 - 522 = 102 years
    Average = 102 ÷ 6 = 17 years

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