Fractions, Decimals, Percentages and Financial Mathematics

Question 1

Increase 300 by 10%

Accepted Answer

330

Question 2

Find 20% of 50

Accepted Answer

10

Question 3

If 10% of a cost was $40, what is 34% of the cost?

Accepted Answer

$136

Question 4

If 9% of a bill is $27, what is 100% of the bill? (Hint: Solve using the unitary method)

Accepted Answer

$300

Question 5

A shop is have a 20% off sale. What is the new price of a shirt with the original price of $40?

Accepted Answer

$32

Question 6

Calculate the GST payable on a table valued at $350.

Accepted Answer

$35

Question 7

Express 20 as a percentage of 80

Accepted Answer

25%

Question 8

Calculate the percentage profit when $25 become $40

Accepted Answer

60%

Question 9

Calculate the percentage loss when $50 becomes $30.

Accepted Answer

40%

Question 10

What is the original price of a bike with a GST of $56?

Accepted Answer

$560

Questions 10