Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is:

Three years ago, the average age of a family of 5 members was 17 years

1.	Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is:
A.	2 years
B.	2.4 years
C.	3 years
D.	1.5 years
Answer» B. 2.4 years

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Three years ago, the average age of a family of 5 members was 17 years. A baby having been born, the average age of the family is the same today. The present age of the baby is:

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