Practice Paper Z

Paper 2 - 50 Marks

Disclaimer: This is just an example of questions similar to the ones you may come across in the National 5 Exam.

These can be used to help your revision for the National 5 exam but will only form a small part of your overall studies.

1

A painting is valued at £24 000.

It is expected to increase in value by 7% each year for the next 4 years.

What is the expected value in 4 years time?

3 Marks

2

A grain of gunpowder weights 6·4 × 10⁻³ g.

An explosive has 2·4kg of gunpowder in it.

How many grains of gunpowder are in the explosive?

2 Marks

3

Calculate the size of the largest angle in triangle ABC

3 Marks

4

Solve the equation      5 cos x° – 1 = 3 , for  0 < x < 360

3 Marks

5

Solve the equation 3x² – 5x + 1 = 0,

Give your answers correct to 1 decimal place.

3 Marks

6

The diagram shows the cross section of a subway tunnel.

The cross section is in the shape of part of a circle with radius 11 m

Calculate the height of the tunnel.

4 Marks

7

In the circle centre O,

Calculate the size of angle KLN.

3 Marks

8

Tickets sold to Scottish Wrestling Krew are logged over a period of 6 weeks:

18000, 42000, 25000, 39000, 30000, 29000

a Calculate the mean and standard deviation of this.

4 Marks

A new wrestler joins and ticket sales are monitored again.

After the new wrestler joined,

b Make two appropriate comments about ticket sales after the new wrestler joined.

2 Marks

9

PB Gas pay give their CEO a pay rise of 65% and they are now paid a salary of £5 940 000.

What was the CEO's salary before the rise? 

3 Marks

10

A connecting bolt for a toy is being produced.

It is made in the shape of a cylinder with a countersunk section in removed in the shape of a cone as shown

Calculate the volume of the bolt.

Give your answer correct to 2 significant figures.

5 Marks

11

Express 

as a single fraction in its simplest form.

3 Marks

12

The diagram shows part of a garden

QS is an arc of a circle with radius 24 m.

The perimeter of QRS is 98 m.

Determine the size of angle QRS

3 Marks

13

A circus sets up a rope display between two poles.

The distance between the poles is 24m 

The angles of elevation of two ropes from the floor to the poles is 48° and 67° as shown.

Calculate the height of the poles.

5 Marks

14

The cuboid ABCDEFGH is shown.

Calculate the length of space diagonal AH.

4 Marks

End of Paper