Multiple choice

Before 5 years from now , the father was 6 times older than daughter. If the sum of their present age is 45 years, the age of the daughter now is

  1. 10 years

  2. 15 years

  3. 5 years

  4. None of these
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A Correct answer
Explanation

Let present ages be F (father) and D (daughter). Five years ago: (F-5) = 6(D-5) → F-5 = 6D-30 → F = 6D-25. Also F + D = 45. Substituting: 6D-25 + D = 45 → 7D = 70 → D = 10. Daughter's present age is 10 years.

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