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

B. 31 5/7 years
Share the Post

Leave a Reply

Your email address will not be published. Required fields are marked *