3 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 :

3 years ago, the average age of a family of 5 members was 17 years. A

1.	3 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.	3 years
B.	2 years
C.	<table><tr><td rowspan="2">1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;">1</td><td rowspan="2">years</td></tr><tr><td style="text-align: center;">2</td></tr></table>
D.	1 year
Answer» C. <table><tr><td rowspan="2">1</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;">1</td><td rowspan="2">years</td></tr><tr><td style="text-align: center;">2</td></tr></table>

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3 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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