A and B invests Rs.3000 and Rs.4000 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 most appropriate option:
A) 9:10
B) 9:8
C) 3:4
D) 39:49
E) 38:49
(3*6 + 6*6): (4*12)   54:48 =&gt; 9:8   ANSWER:9:8
<result>B</result>
A and B invests Rs.3000 and Rs.4000 respectively in a business. If A doubles his capital after 6 months. In what ratio should A and B divide that year's profit?