Answer-The average age of a husband and a wife was 25 years when they were married 4 years ago. The average...

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ATQ, Given that, 4yrs. back, the average age of a couple25yrs. Then, the total252yrs.50yrs. After 4yrs. the sum will increase by 42yrs.8yrs. Let the childs agexyrs. Then the toal age of the family508xyrs58xyrs. Then, by the given condition,  58x3 20 58x60  x  2yrs

The average age of a husband and a wife was 25 years when they were married 4 years ago. The average age of the husband, the wife, and their child, who was born during the interval is 20 years now. How old is the child now?

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