Ajay lent a certain amount of money to Vinod at simple interest on a certain agreement. Ajay offers 20 percent per annum for first 2 years, 8 percent per annum for the next 3 years and 10 percent for beyond 5 years. Vinod paid ₹ 147200 at the end of 7 years. What is the amount borrowed by Vinod from Ajay?