Multiple choice

The ratio of the present ages of Priya and her mother is 3: 7. The mother’s age at the time of Priya’s birth was 48 years. Find the mother’s present age.

  1. 84

  2. 42

  3. 36

  4. None of the above
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A Correct answer
Explanation

Let Priya's present age be 3x and mother's present age be 7x. At Priya's birth, mother was 48, so mother is now 48 + Priya's age = 48 + 3x. Therefore 7x = 48 + 3x, giving 4x = 48, so x = 12. Mother's present age = 7x = 7 × 12 = 84 years.

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