In a family, the average age of father and mother is 35 yr. The averag – McqOptions

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1.	In a family, the average age of father and mother is 35 yr. The average age of the father, mother and their only son is 27 yr. What is the age of the son ?
A.	12 yr
B.	11 yr
C.	10.5 yr
D.	10 yr
Answer» C. 10.5 yr

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