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Quantitative Aptitude

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Percentage & Averages

Question
23 out of 30
 

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 4/7years
B 31 5/7 years
C 32 1/7 years
D None of these

Ans. B Average age =

years

Percentage & Averages Flashcard List

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