Year 12 standard test

Which of the following expresses the ratio 8:20 in simplest form

• 4:10

• 2:4

• 2:5

• 1:2

Tags

ratio

Gina invests $8000 for 1 year and three months at a rate of 6% per annum simple interest. What is the total investment at the end of this period.

• $6000

• $6420

• $8600

• $8624

Tags

simple interest

What is the degree of vertex B in this network diagram?

• 4

• 3

• 2

• 1

Tags

Networks

The graph shows a scatter plot for a set of data. Which of the following values is the most appropriate Pearson's correlation coefficient of this set of data.

• -1

• 0.35

• -0.35

• -0.63

Tags

Data

What is the equation of the line shown in the diagram?

Tags

Linear Relationship

The cost of a calculator, including 10% GST, is $24.20. Calculate the GST?

• $2.42

• $2.20

• $22

• $21.78

Tags

Percentage

Tags

Quadratic Equations

Pat lives in Sydney (UTC+10) and Freya lives in Seattle (UTC-8). Determine the time and day in Sydney if it is 10.00pm on Thursday in Seattle.

• 8.00am Thursday

• 2.00pm Thursday

• 4.00pm Friday

• 6.00am Friday

Tags

Time

Bilal drives a car with a petrol consumption of 22 litres of fuel per 100 kilometres. The gas tank of the car has a capacity of 40 litres. If Bilal is driving a distance of 870 kilometres, how many full tanks of petrol will he need to reach his destination?

• 4

• 5

• 6

• 7

Tags

Word problems

This network diagram shows weighted edges (in metres) connecting various vertices. What is the shortest distance from 𝐴 to 𝐷?

• 11m

• 13m

• 15m

• 16m

Tags

Networks