A 8000 1 5 100 3. The formula for compound interest including principal sum is. Find the compound interest on Rs.
A P1rn nt CI A-P Where CI Compounded interest A Final amount P Principal t Time period in years n Number of compounding periods per year r Interest rate.
Following is the formula for calculating compound interest when time period is specified in years and interest rate in per annum. A P 1 rn nt. The interest for the next six months will be calculated on the amount remaining after the first six months. A P 1 r21002t.