A and B invests Rs.3000 and Rs.6000 respectively in a business. If A doubles his capital after 6 months. In what ratio should A and B divide that year's profit? Choose the correct option.
A) 9:6
B) 3:8
C) 3:1
D) 9:9
E) 3:4
(3*6 + 6*6): (6*12)   18:24 =&gt; 3:4.Answer:3:4
<result>E</result>
A and B invests Rs.3000 and Rs.6000 respectively in a business. If A doubles his capital after 6 months. In what ratio should A and B divide that year's profit?