A principal amount of TK. 7500 is invested for 3 years at 12% per annum simple interest. Calculate the interest earned if the same principal is invested for 3 years at 12% per annum compounded annually.

A sum of money at compound interest amounts to eight times of itself in 3 years. In how many years will it be 512 times of itself?

Find the compound interest on TK. 10,600 for 2 years at 10% per annum compounded annually.

Find the amount of TK. 3000 invested at 4% per annum compounded yearly for 2 years.

The difference between simple interest and compound interest on TK. 1200 for one year at 10% per annum reckoned half-yearly is:

What will be the amount of TK. 5000 invested for 3 years at a compound interest rate of 5% per annum compounded annually?

Find the compound interest on TK. 6000 for 3 years at 10% per annum compounded quarterly.

A sum of TK. 5000 is invested for 2 years at a simple interest rate of 6% per annum and at a compound interest rate of 5% per annum compounded annually. What is the difference in interest earned between the two methods?

What is the compound interest on TK. 2000 for 2 years at 6% per annum compounded annually?

The compound interest on a sum of TK. 625 in 2 years is TK. 51. Find the rate of interest.