GAT Subject
Engineering
Computer Science Civil Engineering Chemical Engineering Agricultural Engineering Mechanical Engineering Electronics and Communication
29. | 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 | |