Ages of two sisters differ by 9 years. If 5 years ago, the elder one was twice as old the younger one, find their present age	Choose the correct choice
A) 12,28  B) 14,23  C) 16,32  D) 18,34  E) 19,32
Explanation:   Let the age of younger sister be x,   Then elder sister's age is (x+9)   =&gt; 2(x-5) = (x+9-5) [5 years before]   =&gt; 2x-10 = x+4   =&gt; x = 14.   So older sister's age is x + 9 = 23   Answer: Option 14,23
<result>B</result>
Ages of two sisters differ by 9 years. If 5 years ago, the elder one was twice as old the younger one, find their present age