Multiple choice

The ratio of the present ages of two Friends is 2 : 3 and six years back, the ratio was 1 : 3. What will be the ratio of their ages after 10 years ?. दो दोस्तों की वर्तमान आयु का अनुपात 2:3 है और छह साल पहले अनुपात 1:3 था। 10 साल बाद उनकी उम्र का अनुपात क्या होगा?

  1. 8 : 11

  2. 9:11

  3. 6 : 7

  4. 3: 5

  5. None of these इनमें से कोई नहीं

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

Let present ages be 2x and 3x. Six years ago: (2x-6)/(3x-6) = 1/3. Cross-multiplying: 3(2x-6) = 3x-6, giving 6x-18 = 3x-6, so 3x = 12 and x = 4. Present ages are 8 and 12. After 10 years: 18 and 22, ratio = 18:22 = 9:11.