A certain sum of money is invested at an interest rate of 5% per annum and a second sum twice as large as the first is invested at 5.5% p. a. The total amount of interest earned from two investments together is Tk. 1000 per year and the interest is withdrawn every year. The second sum invested is:

• ক Tk.6250
• খ Tk.18750
• গ Tk.12500 ✅ সঠিক উত্তর
• ঘ Tk.6500