A family consists of two grandparents, two parents and four children. Two years ago, the average age of the grandparents was 72 years. One year ago, the average ago of parents was 36 years. At present, the average age of the children is 12 years. What is the present average age of the family?

A family consists of two grandparents, two parents and four children.

1.	A family consists of two grandparents, two parents and four children. Two years ago, the average age of the grandparents was 72 years. One year ago, the average ago of parents was 36 years. At present, the average age of the children is 12 years. What is the present average age of the family?
A.	32 years
B.	32.75 years
C.	33.75 years
D.	33 years
Answer» D. 33 years

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A family consists of two grandparents, two parents and four children. Two years ago, the average age of the grandparents was 72 years. One year ago, the average ago of parents was 36 years. At present, the average age of the children is 12 years. What is the present average age of the family?

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