RBI Assistant Prelims 2016 Sitting 3 Paper

A, B and C started a business with investments of Rs. 1200, Rs. 400 and Rs. 300 respectively. At the end of 6 months from the start of the business, A invested an additional amount of Rs. x. If the total annual profit was 5

3

4

times B's share in annual profit, what was the value ofx ?