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Q. A family consists of grandparents, parents and three grandchildren. The average age of the grandparents is 67 years that of the parents is 35 years and that of the grandchildren is 6 years. What is the average age of the family?

  • (A) 28 4/7 years
  • (B) 31 5/7 years
  • (C) 32 1/7 years
  • (D) None of these
  • Correct Answer - Option(B)
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