Multiple choice

The ratio of the ages of Javed and Akhtar is 6 : 11. Find out the ratio of their ages 5 years ago. A. The difference of their ages is 25 years. B. The difference of their ages after 5 years will be 25 years. C. The sum of their ages is 85 years.

  1. Only A and C together are sufficient

  2. Anyone of A, B and C is sufficient

  3. Only A and B together are sufficient

  4. Any two of A, B and C are sufficient

  5. All together are necessary

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Any single statement with the 6:11 ratio gives a unique solution. A: 11x-6x=25 → x=5, ratio 5 years ago = (6×5-5):(11×5-5) = 25:50 = 1:2. B: 11x-6x=25 (difference constant), same as A. C: 6x+11x=85 → x=5, same result. Each alone is sufficient.