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

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

1.	The average age of three boys is 15 years. If their ages are in ratio 3 : 5 : 7, the age of the youngest boy is
A.	1 years
B.	8 years
C.	5 years
D.	years
E.	2 years
Answer» E. 2 years

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

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