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Question

Father is 5 years older than the mother and the mother's age is now thrice the age of her daughter. The daughter is now 10 years old. What was the father's age when the daughter was born?

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Solution

The correct option is **D** 25 years

Let the daughter's age be x years. Then,

Mother's age =3x years and

Father's age=(3x+5) years

When daughter's age is 10 years,

Father's age =(3×10+5)=35 years.

When daughter was born,

Father's age=(35−10)=25 years.

Let the daughter's age be x years. Then,

Mother's age =3x years and

Father's age=(3x+5) years

When daughter's age is 10 years,

Father's age =(3×10+5)=35 years.

When daughter was born,

Father's age=(35−10)=25 years.

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