seven years ago the average age of a family of 2 members was 25 years. a child

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Question

seven years ago the average age of a family of 2 members was 25 years. a child has been born. due to which the average age of the family is 23 years today. what is the present age of the child?

Options:

A . 7 years

B . 5 years

C . 3 years

D . 8 years

Answer: Option B
Explanation :

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