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?
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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