Three years ago the average age of A and B was 18 years. If C joins them, the average age becomes 22. How old is C?

Three years ago the average age of A and B was 18 years. If C joins them, the average age becomes 22. How old is C?
  • A) 20 years
  • B) 18 years
  • C) 24 years
  • D) 22 years

Correct Answer: C) 24 years

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