The average age of a man and his two twin sons born on the same day is 30 yr. The ratio of the ages of father and one son is 5 : 2, What is the father's age ?

The average age of a man and his two twin sons born on the same day is

1.	The average age of a man and his two twin sons born on the same day is 30 yr. The ratio of the ages of father and one son is 5 : 2, What is the father's age ?
A.	50 yr
B.	30 yr
C.	45 yr
D.	20 yr
E.	None of the above
Answer» B. 30 yr

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The average age of a man and his two twin sons born on the same day is 30 yr. The ratio of the ages of father and one son is 5 : 2, What is the father's age ?

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