1. Calculate the compound interest on $1200 for 2 years at an annual interest rate of 12%, compounded quarterly.
2. Find the compound interest on $8000 for 3 years at an annual interest rate of 7%, compounded semi-annually.
3. A sum of $5000 is invested at 8% per annum compounded quarterly. Calculate the compound interest earned after 3 years.
4. Find the compound interest on $1500 at 10% per annum for 4 years, compounded annually.
5. What will be the compound interest on $7000 for 5 years at an annual interest rate of 6%, compounded half-yearly?
6. Calculate the compound interest on $2500 for 2.5 years at an annual interest rate of 9%, compounded annually.
7. A sum of $2000 is invested at 5% per annum compounded semi-annually. Calculate the compound interest earned after 4 years.
8. Find the compound interest on $1800 at 11% per annum for 3 years, compounded annually.
9. Calculate the compound interest on $5000 for 4 years at an annual interest rate of 7%, compounded annually.
10. What will be the compound interest on $3500 for 2.5 years at an annual interest rate of 9%, compounded semi-annually?