IBPS Clerk Prelims 5-Dec-2020 Shift 1 Paper

A and B  start a business by investing a capital Rs. 3000 and Rs. 2000. After 6 months, C joins the business with the capital of Rs. 5000 and A doubles its investment. If their profit is Rs. 36000 after one year, then find the difference between the profit of A and C.