Ratio of ages of three persons is 4:7:9, Eight years ago, the sum of their ages was 56. Find their present ages.  Pick
A) 16,35,36 B) 12,28,36 C) 16,28,27 D) 16,28,36 E) None of these
Explanation:   Let the present ages are 4x, 7x, 9x.   =&gt; (4x-8) + (7x-8) + (9x-8) = 56   =&gt; 20x = 80   =&gt; x = 4   So their present ages are: 16,28,36   Option 16,28,36
<result>D</result>
Ratio of ages of three persons is 4:7:9, Eight years ago, the sum of their ages was 56. Find their present ages.