The ages of two persons differ by 20 years. If 5 years ago, the older one be 5 times as old as the younger one, then their present ages, in years, are
Choose the correct choice from the following.
A) 25, 5  B) 30, 10  C) 35, 15  D) 50, 30  E) None of these
Let the ages be ’x’ and ’y’ years now.   Then x - y = 20 ...(i)   (x - 5) = 5(y - 5) ...(ii)   From (i) and (ii),   20 + y - 5 = 5y - 25   y = 10 and x = 30.   ANSWER:30, 10
<result>B</result>
The ages of two persons differ by 20 years. If 5 years ago, the older one be 5 times as old as the younger one, then their present ages, in years, are