Understanding Interest: Simple and Compound

What is the primary way banks use the money deposited in savings accounts?

• They invest it in stocks.

• They lend it to other customers.

• They keep it in a vault.

• They use it to pay employee salaries.

How is simple interest calculated?

• By multiplying the principal by the interest rate and the time period.

• By adding a fixed amount to the principal each year.

• By compounding the interest annually.

• By dividing the principal by the interest rate.

What type of growth does simple interest result in?

• Quadratic growth

• Logarithmic growth

• Linear growth

• Exponential growth

How does compound interest differ from simple interest?

• It decreases over time.

• It is calculated on the initial principal and accumulated interest.

• It is calculated on the initial principal only.

• It is calculated only once at the end of the investment period.

What is the formula for calculating compound interest?

• y = a / b^x

• y = a * b^x

• y = a + bx

• y = a - bx

How often is interest compounded in quarterly compounding?

• Four times a year

• Twice a year

• Once a year

• Twelve times a year

Why is quarterly compounding more beneficial than annual compounding?

• It decreases the time period.

• It compounds interest more frequently.

• It increases the interest rate.

• It reduces the principal amount.

What happens to the multiplier when converting it to a percentage increase?

• 100 is added to it.

• 100 is subtracted from it.

• It is multiplied by 100.

• It is divided by 100.

Which compounding frequency would yield the highest return?

• Annually

• Quarterly

• Daily

• Monthly

What is the main advantage of more frequent compounding?

• It reduces the interest rate.

• It increases the principal amount.

• It shortens the investment period.

• It allows for more interest to be earned on interest.