Multiple choice

The present ages of Ranu and Shanu are 26 years and 30 years respectively. After how many years would the ratio of their ages become 10:11 respectively?

  1. 8 years

  2. 10 years

  3. 9 years

  4. 14 years

  5. None of these

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

(26+x)/(30+x) = 10/11. Cross-multiply: 11(26+x) = 10(30+x) → 286+11x = 300+10x → x = 14. After 14 years: 40/44 = 10/11 ✓