IBPS RRB PO Mains 29 Sep 2024 Paper

R and V started a business together. R invested Rs. X, while V invested Rs. 7000. After 5 months, R increased his investment by 50%. Two months later, V reduced his investment by 30%. At the end of 12 months, the total profit was Rs. 3020, out of which R received Rs. 1550 as his share. What was the initial investment made by R?