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6 years ago, the ratio of the ages (in years) of Renu and Raman was 5 : 11. After 6 years from now, the ratio of their ages will be 11 : 17…

3609Medium DSSSB TGT Computer Science 0 replies

6 years ago, the ratio of the ages (in years) of Renu and Raman was 5 : 11. After 6 years from now, the ratio of their ages will be 11 : 17. What is the sum of their present ages (in years)?

Correct answer: C

Explanation

Let the ages 6 years ago be 5x and 11x. (5x + 12)/(11x + 12) = 11/17 gives 85x + 204 = 121x + 132, so x = 2. Present ages are 16 and 28, whose sum is 44.

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