A and B invests Rs.4000 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 correct choice from the following choices: A) 3:5 B) 3:8 C) 3:2 D) 9:9 E) 3:1
(4*6 + 8*6): (4*12)   72:48 =&gt;   3:2   Answer:3:2
<result>C</result>
A and B invests Rs.4000 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?