The present ages of three persons in proportions 2 : 2 : 6. Eight years ago, the sum of their ages was 56. Find their present ages (in years). Choose the correct choice from the following answers:
A) 8, 20, 28	B) 16, 16,48	C) 20, 35, 45	D) 18, 24, 32	E) None of these
Explanation:   Let their present ages be 2x, 2x and 6x years respectively.   Then, (2x - 8) + (2x - 8) + (6x - 8) = 56   10x = 80   x = 8   Their present ages are 2x = 16 years,2x = 16 years and 6x = 48 years respectively.   Answer: 16, 16,48
<result>B</result>
The present ages of three persons in proportions 2 : 2 : 6. Eight years ago, the sum of their ages was 56. Find their present ages (in years).