Average age of mother and father is 28 years. Average age of mother, father and their child is 20 years. What is the age of child?

Average age of mother and father is 28 years. Average age of mother, f

1.	Average age of mother and father is 28 years. Average age of mother, father and their child is 20 years. What is the age of child?
A.	6 years
B.	4 years
C.	5 years
D.	3 years
Answer» C. 5 years

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Average age of mother and father is 28 years. Average age of mother, father and their child is 20 years. What is the age of child?

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