LLN - Language Literacy and Numeracy Numeracy and Problem Solving Questions and Answers

Question 1

A painter needs to mix blue and white paint in a ratio of 3:2 to create a specific shade of light blue.
If they need to make a total of 40 litres of light blue paint, how many litres of blue paint are required?

Accepted Answer

24 litres

Answer

16 litres

Answer

20 litres

Answer

30 litres

Question 2

A construction site has a rectangular safety zone that measures 15.5 metres by 8 metres. What is the total area of the safety zone in square metres?

Accepted Answer

124 square metres

Answer

47 square metres

Answer

112.5 square metres

Answer

120 square metres

Question 3

An invoice for a total of $450 has a 10% Goods and Services Tax (GST) included in the price. Which of the following is the correct calculation to find the original price before the GST was added?

Accepted Answer

$450 / 1.10

Answer

$450 * 0.10

Answer

$450 * 1.10

Answer

$450 - 10

Question 4

A landscaper charges a $50 call-out fee plus $35 per hour for their services. If a job takes 4.5 hours to complete, what will be the total charge?

Accepted Answer

$207.50

Answer

$157.50

Answer

$200.00

Answer

$242.50

Question 5

A factory produces 1,200 units per day. If 5% of the units are found to be defective, how many units are NOT defective?

Accepted Answer

1,140 units

Answer

60 units

Answer

1,195 units

Answer

600 units

Question 6

A worker needs to cut a 3.6-metre pipe into smaller pieces that are each 40 centimetres long. What is the maximum number of full pieces they can cut?

Accepted Answer

9

Answer

8

Answer

10

Answer

14

A painter needs to mix blue and white paint in a ratio of 3:2 to create a specific shade of light blue.If they need to make a total of 40 litres of light blue paint, how many litres of blue paint are required?

A painter needs to mix blue and white paint in a ratio of 3:2 to create a specific shade of light blue.
If they need to make a total of 40 litres of light blue paint, how many litres of blue paint are required?