Multiple choice

The ages of A and B are in the ratio of 7 : 5 and sum of their ages is 48 years. The ratio of their ages after 8 years will be -

  1. 5 : 7

  2. 9 : 7

  3. 9 : 5

  4. 5 : 4
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B Correct answer
Explanation

Let A's age = 7x, B's age = 5x. Sum = 7x + 5x = 12x = 48, so x = 4. Current ages: A = 28, B = 20. After 8 years: A = 36, B = 28. Ratio = 36:28 = 9:7 (dividing both by 4). This is a ratio problem with age progression.

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