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?

20

years

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15

years

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25

years

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30

years

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Solution

The correct option is D $25$ years
Let the daughter's age be $x$ years. Then,
Mother's age $= 3 x$ years and
Father's age $= (3 x + 5)$ years
When daughter's age is $10$ years,
Father's age $= (3 \times 10 + 5) = 35$ years.
When daughter was born,
Father's age $= (35 - 10) = 25$ years.

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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?

The correct option is D 25 yearsLet the daughter's age be x years. Then,Mother's age =3x years and Father's age=(3x+5) yearsWhen 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.

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?

The correct option is D $25$ years
Let the daughter's age be $x$ years. Then,
Mother's age $= 3 x$ years and
Father's age $= (3 x + 5)$ years
When daughter's age is $10$ years,
Father's age $= (3 \times 10 + 5) = 35$ years.
When daughter was born,
Father's age $= (35 - 10) = 25$ years.