Compound Interest — Engineering Board Exam Practice Questions

10 free engineering board exam reviewer questions on Compound Interest (Engineering Economics), each with the correct answer and a worked solution.

1. Find the compound amount of P10,000 invested at 6% compounded annually for 5 years.
2. Find the compound interest earned on P20,000 at 5% compounded annually for 3 years.
3. Find the compound amount of P15,000 at 8% compounded semi-annually for 4 years.
4. Find the compound amount of P8,000 at 12% compounded quarterly for 3 years.
5. Find the present value that will amount to P50,000 in 6 years at 7% compounded annually.
6. Find the number of years for P5,000 to double at 8% compounded annually.
7. Find the effective interest rate equivalent to 10% compounded annually.
8. A principal of P10,000 is invested at 6% compounded monthly for 2 years. Find the compound amount.
9. Find the compound interest on P25,000 at 4% compounded semi-annually for 2 years.
10. Find the compound amount of P6,000 at 9% compounded annually for 10 years.