Delhi Police Constable 6 Dec 2017 Shift 2 Paper

A retailer deposited some amount in the bank. The rate of interest for first 3 years is 6% per annum for the next 3 years rate of interest is 9% per annum and for the period beyond 6 years rate of interest is 10% per annum. At the end of 9 years the retailer receives Rs. 1650 as simple interest. How much amount (in Rs) did he deposited?