The present ages of three persons are in the proportion of 4 : 7 : 9. Eight years ago, the sum of their ages was 16. Find their present ages.  Choose the correct option:
A) 20,35,45 B) 8,14,18 C) 16,28,36 D) 16,28,46 E) None of these
Let the present ages of three persons be 4K,7K and 9K respectively.   (4K - 8) + (7K - 8) + (9K - 8) = 16   20K = 40   K = 2   Therefore, then present ages are 8,14,18.   ANSWER:8,14,18
<result>B</result>
The present ages of three persons are in the proportion of 4 : 7 : 9. Eight years ago, the sum of their ages was 16. Find their present ages.