Simple Interest
A student invests $2,500 in a savings account earning simple interest at 4% per annum.
After 3 years, how much interest has been earned?
$300
A student invests $3,200 into a savings account earning 5% compound interest per annum, compounded annually.
What will the investment be worth after 4 years?
$3889.62
An investment grows to $9,840 after 6 years at a compound interest rate of 4% per annum, compounded annually.
What was the original amount invested?
$7776.69
A student invests $4,500 at 6% compound interest per annum, compounded quarterly.
Calculate the future value of the investment after 3 years.
$5380.28
A car worth $32,000 depreciates by 12% per year.
What will the car be worth after 5 years?
$16887.42
A loan earns $720 in simple interest over 4 years at a rate of 6% per annum.
What was the original principal borrowed?
$3000
A family deposits $12,500 into a term deposit account with an interest rate of 6% per annum, compounded annually.
Find the future value after 7 years.
$18795.38
A bank account reaches $22,500 after 8 years at 5.5% compound interest per annum, compounded annually.
Calculate the initial principal invested.
$14660.97
A family deposits $18,000 into a savings account earning 5.2% compound interest per annum, compounded monthly.
Find the future value after 5 years.
$23331.63
A laptop purchased for $2,400 depreciates by 18% per annum.
Calculate its value after 3 years.
$1323.28
A bank account contains $5,400 and earns simple interest at 5% per annum.
How much money will be in the account after 2 years?
$5940
A business invests $9,800 at 4.5% compound interest per annum, compounded annually.
How much money will the investment be worth after 5 years?
$12212.58
A business investment grows from $28,000 to $42,146.48 in 5 years with compound interest compounded annually.
Find the annual interest rate.
8.5%
OR
8.52%
A business invests $12,500 at 4.8% compound interest per annum, compounded half-yearly.
What will the investment be worth after 7 years?
$17422.46
A boat worth $48,000 depreciates by 9% each year.
Find the value of the boat after 7 years.
$6240
A person invests $8,000 and earns $1,200 in simple interest after 5 years.
What annual interest rate was applied?
3%
A person places $15,000 into an account earning 3.8% compound interest per annum, compounded annually.
Calculate the future value after 10 years.
$21780.35
A savings account grows from $12,000 to $16,078.62 in 7 years with compound interest compounded annually.
Find the annual interest rate.
4.27%
A retiree invests $9,200 at 3.9% compound interest per annum, compounded daily.
Calculate the future value of the investment after 4 years.
$10753.11
Machinery bought for $125,000 depreciates at a rate of 6.5% per annum.
What will its value be after 10 years?
$63830.19
A car loan of $15,000 is offered at 7% simple interest per annum.
If the total amount repaid is $18,150, how long was the loan for?
3 years
Start with $18150-$15000 to find the interest
A couple invests $25,000 into a savings account at 7% compound interest per annum, compounded annually.
Determine the value of the investment after 6 years.
$37518.26
An investment of $7,500 grows to $10,551.12 over 9 years with compound interest compounded annually.
Determine the annual interest rate, correct to 2 decimal places.
3.87%
An account grows to $38,000 after 10 years at 6.4% compound interest per annum, compounded quarterly.
Calculate the present value of the investment.
$32422.50
A motorcycle depreciates at 14% per annum for 4 years and is then worth $9,350.
Calculate the original purchase price of the motorcycle.
$17092.98