The ages of Raju and Biju are in the ratio 3:1. Fifteen years hence, the ratio will be 2:1. Their present ages are: Choose one:
A) 30yrs, 10yrs  B) 45 yrs, 15yrs  C) 21 yrs, 7 yrs  D) 60yrs, 20yrs  E) 40yrs, 20yrs
Let the ages of raju and Biju is 3x and x years respectively.   Then, (3x +15)/ (x+15) = 2/1;   -&gt; 2x + 30 = 3x + 15 -&gt; x = 15   So Raju’s age = 3*15= 
<gadget id="calculator">3*15</gadget>
<output>45</output>
45 and 45 yrs, 15yrsiju’s age= 15 years   ANSWER:45 yrs, 15yrs
<result>B</result>
The ages of Raju and Biju are in the ratio 3:1. Fifteen years hence, the ratio will be 2:1. Their present ages are: