In a family of two grandparents, two parents and three grandchildren, the average age of the grandparents is 67 years, that of the parents is 36 years and that of the grandchildren is 6 years. What is the average age of the family?

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Solution

The correct option is C
32

Average age of the family = 224/7 = 32

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In a family of two grandparents, two parents and three grandchildren, the average age of the grandparents is 67 years, that of the parents is 36 years and that of the grandchildren is 6 years. What is the average age of the family?

The correct option is C 32 Average age of the family = 224/7 = 32

The correct option is C
32

Average age of the family = 224/7 = 32