Multiple choice

The ratio between the ages of A and Q four years ago was 5:6. If the total of their ages at present is 52 year, what is the ratio of their present ages?

  1. 4:5

  2. 8:9

  3. 7:8

  4. 6:7

  5. None of these
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D Correct answer
Explanation

Let the ages of A and Q be 5x and 6x, respectively. Now, (5x + 4) + (6x + 4) = 52 5x + 4 + 6x + 4 = 52 11x + 8 = 52 x = 4 Therefore, present age of A (5x) = 24 years and Q (6x) = 28 = Ratio of their present ages is 24 : 28 = 6 : 7

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