Simple Interest Quiz

What is the principal in the context of simple interest?

• The time period for which the money is used

• The initial amount of money deposited or borrowed

• The total amount of interest paid

• The interest rate expressed as a percentage

In the simple interest formula, what does 'r' represent?

• The time period in months

• The rate of interest as a decimal

• The interest earned

• The principal amount

How do you convert a percentage rate to a decimal for the simple interest formula?

• Multiply by 10

• Add 0.5 to the percentage

• Divide by 1000

• Move the decimal point two places to the left

If a time period is given in months, how should it be converted for the simple interest formula?

• Multiply by 12

• Subtract 2 from the number of months

• Add 0.5 to the number of months

• Divide by 12

What is the interest earned on $1,200 at a rate of 3.25% over 9 months?

• $29.25

• $29.75

• $32.50

• $30.00

How is the interest rate expressed in the simple interest formula?

• As a fraction

• As a percentage

• As a whole number

• As a decimal

What is the interest on a $1,400 loan at 5.5% for 8 months?

• $53.25

• $52.00

• $51.33

• $50.00

How much will an office manager owe after one month on a $425 credit card charge at 9.9% interest?

• $427.50

• $429.00

• $428.50

• $428.51

What is the simple interest rate if $390 is paid on a $2,600 loan over 3 years?

• 7%

• 6%

• 5%

• 4%

In the context of simple interest, what does 't' represent?

• The principal amount

• The total interest earned

• The rate of interest

• The time period in years