A family consists of two grandparents, two parents and four

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A family consists of two grandparents, two parents and four grandchildren. The average age of the grandparents is 67 years, that of the parents is 35 years and that of the grandchildren is 9 years. What is the average age of the family?

[SSC CHSL 30th May 2022 Shift-1 With Answers]

A

40 years

B

30 years

C

36 years

D

45 years

EXPLANATION

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