Ages of two persons differ by 18 years. If 4 years ago, the elder one was 4 times as old the younger one, find their present age	Choose the correct option:
A) 6,24
B) 9,27
C) 10,28
D) 18,36
E) 19,37
Explanation:   Let the age of younger person be x,   Then elder person's age is (x+18)   =&gt; 4(x-4) = (x+18-4) [4 years before]   =&gt; 4x-16 = x+14   =&gt; x = 10.   So elder person's age is x + 18 = 28   Answer: Option 10,28
<result>C</result>
Ages of two persons differ by 18 years. If 4 years ago, the elder one was 4 times as old the younger one, find their present age