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?

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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?

A. 9:10
B. 9:8
C. 3:4
D. 39:49
Explanation:
(3*6 + 6*6): (4*12)
54:48 => 9:8