Find the principal, if the compound interest compound annually at the rate of 10% per annum for three years is Rs 331.

Find the principal if the interest compounded annually at the rate of 10% for two years is Rs 210.

Find the amount of Rs 2400 after 3 years, when the interest is compounded annually at the rate of 20% per annum.

Find the compound interest when principal = Rs 300, rate = 5% per annum and time = 2 years.

Find the compound interest on Rs 64000 for 1 year at the rate of 10% per annum compounded quarterly.

Find the compound interest on Rs 1000 at the rate of 10% per annum for 18 months when interest is compounded half-yearly.

Find the compound interest on Rs 160000 for one year at the rate of 20% per annum, if the interest is compound quarterly.

If is known that, if the interest is compounded continuously, the principal changes at the rate equal to the product of the rate of interest per annum, and the principal. If the interest is compounded continuously at 5% per annum, in how many years will Rs. 100 double itself? At what interest rate will Rs. 100 double itself in 10 years ((log)_e2=0. 6931) How much will Rs. 1000 be worth at 5% interest after 10 years? (e^(0. 5)=1. 648)dot

The difference between the compound interest and simple interest on a certain sum of money at 10% per annum for 2 years is Rs 500. Find the sum when the interest is compounded annually.

Find the compound interest on Rs 320000 for one year at the rate of 20% per annum, if the interest is compounded quarterly.

Find the compound interest on Rs 1000 at the rate of 8% per annum for one and a half years when interest is compound half-yearly.