Multiple choice

The ages of Akash and Avinash are in the ratio of 6: 5 respectively. After 9 year the ratio of their ages will be 9: 8. What is the difference in their ages?

  1. 9

  2. 6

  3. 5

  4. 7

  5. None of these

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

Let present ages be 6x and 5x. After 9 years: (6x+9)/(5x+9) = 9/8. Cross-multiply: 48x+72 = 45x+81. Solving: 3x=9, x=3. Ages are 18 and 15, difference = 3 years. Option E is correct since 3 is not listed in A-D.