The average age of three boys is 15 years. If their ages are in the ratio 3 : 5 : 7, what is the age of the youngest boy?

The average age of three boys is 15 years. If their ages are in the ra

1.	The average age of three boys is 15 years. If their ages are in the ratio 3 : 5 : 7, what is the age of the youngest boy?
A.	9 years
B.	8 years
C.	8 years 3 months
D.	None of these
Answer» B. 8 years

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The average age of three boys is 15 years. If their ages are in the ratio 3 : 5 : 7, what is the age of the youngest boy?

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