A family consist of grandparents, parents and two grandchildren. The a – McqOptions

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1.	A family consist of grandparents, parents and two grandchildren. The average age of the grandparents is 56 years, that of the parents is 27 years and that of the grandchildren is 7 years. What is the average of the family?
A.	200/3 years
B.	233/6years
C.	30 years
D.	40 years
E.	None of these.
Answer» D. 40 years

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