Multiple choice

The ages of Seeta and Geeta are in the ratio 4 : 5. Five years later, their ages will be 5 : 6. What was the ratio of their ages 5 years ago?

  1. 7 : 9

  2. 3 : 4

  3. 9 : 11

  4. 5 : 4
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Let ages be 4x and 5x. (4x+5)/(5x+5) = 5/6. 24x + 30 = 25x + 25. x = 5. Present ages are 20 and 25. 5 years ago, they were 15 and 20. Ratio = 15:20 = 3:4.

AI explanation

Let the present ages of Seeta and Geeta be 4x and 5x respectively. Five years later, their ages will be 4x + 5 and 5x + 5. The ratio (4x + 5) / (5x + 5) = 5 / 6 simplifies to 24x + 30 = 25x + 25, meaning x = 5. Their present ages are 20 and 25 years. Five years ago, their ages were 15 and 20 years, making the ratio 15 : 20, which simplifies to 3 : 4.

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