Simple & Compound Interest (CIE IGCSE Maths: Core)

Trina invests $16000 at a rate of 5% per year compound interest.

Work out the value of her investment at the end of 4 years.

$.........................

Gino invests $6000 for 5 years at a rate of 1.2% per year compound interest.

Calculate the value of his investment at the end of the 5 years.
Give your answer correct to the nearest dollar.

$ .................................................

Lucia invests $5000 at a rate of 4.5% per year compound interest.

Calculate the value of her investment at the end of 7 years.

$ .................................................. 

Ella invests $4000 for 3 years at a rate of 1.2% per year compound interest.

Calculate the value of her investment at the end of the 3 years.

$...................................................

Javier invests $750 for 3 years at a rate of 1.8% per year compound interest.

Calculate the value of his investment at the end of the 3 years.

$ ................................................... 

Hawa invests $750 at a rate of 3.5% per year compound interest.

Calculate the value of his investment at the end of 3 years.

$ .............................. 

$12000 is invested at a rate of n% per year simple interest.
At the end of 3 years the value of the investment is $12900.

Find the value of .

= ................................. 

Sonia wants to invest $5000 for 6 years.

Bank A pays compound interest at a rate of 3.5% per year.
Bank B increases the $5000 by 22% at the end of 6 years.

Which bank will give Sonia the most money at the end of 6 years and by how much?
You must show all your working.

Riya invests $30000 at a rate of 2.5% per year compound interest.

Calculate the value of her investment at the end of 7 years.
Give your answer correct to the nearest dollar.

$ ................................................. 

Six years ago a farmer invested $3750 at a rate of 4% per year compound interest.

The farmer grows carrots.
In 2018 the selling price for carrots was $96 per tonne.
In 2019 this selling price increased by 18%.

Work out the increase in the selling price from 2018 to 2019.

$ ..............................................

Paula invests $600 at a rate of% per year simple interest.
At the end of 10 years, the total interest earned is $90.

Find the value of

=........................................

$8400 is invested for 2 years at a rate of 3.5% per year compound interest.
Work out the total amount of interest earned by the end of the 2 years.

$.................................................... 

Harry invests $800 for 2 years at a rate of 3% per year compound interest.

Calculate the amount of interest he receives at the end of the 2 years.

$ ...........................

Tomas borrows $5000 for 3 years at a rate of 2.5% per year compound interest.
He pays back the whole amount, with interest, at the end of 3 years.

Calculate the total amount of money he pays back at the end of the 3 years.

$ ..............................