Multiple choice

The ratio of Laxmi's age to the age of her mother is 3 : 11. The difference between their ages is 24 years. The ratio of their ages after 3 years will be -

  1. 1 : 3

  2. 2 : 3

  3. 3 : 5

  4. 2 : 5
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A Correct answer
Explanation

Laxmi's age : Mother's age = 3 : 11, and their difference is 24 years. So 8 units = 24 years, giving 1 unit = 3 years. Laxmi = 3 × 3 = 9 years, Mother = 11 × 3 = 33 years. After 3 years: Laxmi = 12, Mother = 36. New ratio = 12 : 36 = 1 : 3. Age problems with ratios require finding the unit value first.

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