Three years ago, the average age of a family of 5 member was 17 years. A baby having born, the average age of the family is the same today. The present age of the baby is |
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a) |
1 year |
b) |
1 years |
c) |
2 years |
d) |
4 years |

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

a) |
1 year |
b) |
1 years |
c) |
2 years |
d) |
4 years |

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