Pre-Assessment: Engineering Economy

What is an annuity?

• A series of equal payments made at regular intervals.

• A one-time payment.

• A payment that varies over time.

• A payment made at the end of a period.

Which of the following is NOT a characteristic of an annuity?

• Payments are made at regular intervals.

• Payments are equal.

• Payments are made only once.

• Payments can vary.

What is the difference between an ordinary annuity and an annuity due?

• Ordinary annuities have payments at the end of the period, while annuities due have payments at the beginning of the period.

• Ordinary annuities have variable payments, while annuities due have fixed payments.

• Ordinary annuities are for a fixed term, while annuities due are indefinite.

• There is no difference.

Which of the following is an example of an annuity due?

• A loan payment made at the end of the month.

• Insurance premiums paid at the beginning of the month.

• A one-time investment.

• A payment made at the end of a contract.

In which scenario would you most likely use the formula for the future value of an ordinary annuity?

• To calculate how much you will have after regularly contributing to a savings account.

• To determine the present value of a future sum.

• To calculate the total interest earned on a loan.

• To find the value of an investment after a single payment.

Which of the following is an example of simple interest?

• Interest that is calculated only on the initial principal.

• Interest that is calculated on the principal and accumulated interest.

• Interest that varies over time.

• Interest that is compounded annually.

If you invest $1,000 at an annual interest rate of 5%, how much interest would you earn in one year using simple interest?

• $50

• $100

• $25

• $75

What is the primary difference between simple interest and compound interest?

• Simple interest is calculated only on the principal, while compound interest is calculated on both the principal and any accumulated interest.

• Simple interest is always lower than compound interest.

• Simple interest is calculated annually, while compound interest is calculated monthly.

• There is no difference.

Compound interest is beneficial because:

• It allows interest to be earned on previously earned interest.

• It is always higher than simple interest.

• It is easier to calculate.

• It guarantees a profit.