Difficulty Level: Easy
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The present ages of three persons are in proportions 4 : 7 : 9. Eight years ago, the sum of their ages was 56. Find their present ages (in years).
- 6, 13, 17
- 8, 14, 18
- 16, 28, 36
- 18, 30, 32
- 21, 33, 41