1 . The present ages of three persons are in the ratio of 4: 7:9 Eight years ago, the sum of their ages was 56. what are their present ages in years?
- A. 8, 20, 28
- B. 16, 28, 36
- C. 20, 35 , 45
- D. 12, 21, 27
- D. None of these
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