Simple interest on an amount at 4% per annum for 13 months is more than the simp May 24, 2022 by admin โช Choose the correct option.Simple interest on an amount at 4% per annum for 13 months is more than the simple interest on the same sum for 8 months at 6% per annum by Rs. 40. What is the principal amount?A. Rs. 3,600B. Rs. 12,000C. Rs. 4,800D. Rs. 24,000 Submit Answer