Multiple choice Find the interest on Rs 25000 at 12% per annum compounded annually for 3 years. $9000$ $9833.40$ $10123.20$ $10678.90$ Reveal answer Fill a bubble to check yourself C Correct answer Explanation Compound interest formula: A = P(1 + r)^t. Here P = 25000, r = 0.12, t = 3. A = 25000 × (1.12)^3 = 25000 × 1.404928 = 35123.20. Interest = A - P = 35123.20 - 25000 = 10123.20. The compound interest earned over 3 years is Rs 10123.20.