The present ages of three persons in proportions 4 : 7 : 9. Nine years ago, the sum of their ages was 53. Find their present ages (in years).

The present ages of three persons in proportions 4 : 7 : 9. Nine years

1.	The present ages of three persons in proportions 4 : 7 : 9. Nine years ago, the sum of their ages was 53. Find their present ages (in years).
A.	8, 20, 28
B.	16, 28, 36
C.	20, 35, 45
D.	None of these
Answer» C. 20, 35, 45

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The present ages of three persons in proportions 4 : 7 : 9. Nine years ago, the sum of their ages was 53. Find their present ages (in years).

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