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The average age of 6 members is 28 years. When a new member joins, the average becomes 30 years. What is the age of the new member in years?

Competition practiceAverages & Ages
  • A38
  • B44
  • C42
  • D40

Step-by-Step Solution

Old total = ; new total = ; the new member's age = 210 − 168 = 42.
Answer: C) 42

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