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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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