A family consists of grandparents, parents and three grandchildren. T – McqOptions

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1.	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
Answer» C. 32 1/7 years

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