Theory

CH11 - Statistics

Luis has a large jar containing red, yellow, green and blue beads.He takes a bead at random from the jar, notes its colour and replaces it.He repeats ...

2016 Summer

1

Theory

CH11 - Statistics

The list shows the quiz scores of 13 students.11 11 11 12 12 13 14 15 15 16 16 19 19Find(a) the mode, ............................................... ...

2016 Winter

1

Theory

CH11 - Statistics

In one day a delivery company delivers 93 parcels. The histogram shows information about the masses, m kg, of these parcels.(a) Complete the frequency...

2016 Winter

1

Theory

CH11 - Statistics

Complete the frequency table using the information in the histogram. [Image_1: Histogram] [Table_1: \begin{tabular}{|c|c|} \hline Class interval & F...

2016 Summer

2

Theory

CH11 - Statistics

One day there were 720 students at a school.The table shows the type of transport the students used to get to school.[Table_1]Type of transport | Walk...

2016 Winter

1

Theory

CH11 - Statistics

The number of matches in each of 140 matchboxes are counted. The table shows the results.[Table_1](a) Write down the modal number of matches. ...........

2016 Winter

1

Theory

CH11 - Statistics

Ten students at a school each recorded the number of hours they spent revising before an examination. The school compared the number of hours spent re...

2016 Winter

2

Theory

CH11 - Statistics

The age, $h$, of each of 120 passengers travelling on a train are shown in the table.[Table_1](a) Calculate an estimate of the mean age of a passenger...

2016 Winter

1

Theory

CH11 - Statistics

11 16 8 9 14 6 20 16 12 10Find the median of these ten numbers.

2016 Summer

1

Theory

CH11 - Statistics

The table shows the numbers of pets owned by each of 100 families.[Table_1]Number of pets | Frequency0 | 231 | 372 | 253 | 104 | 5(a) Write down the r...

2016 Winter

1

Theory

CH1 - Number

Work out.(a) \( 3 - 0.018 \) .......................................... [1](b) \( 0.04^2 \) .......................................... [1](c) \( \frac...

2021 Summer

2

Theory

CH1 - Number

(a) Write 5249.6 correct to two significant figures. ....................................................... [1] (b) Write 0.0030626 correct to three...

2021 Summer

2

Theory

CH1 - Number

A car travels 300 metres in 20 seconds.Find the average speed of the car in(a) metres per second, .......................................................

2021 Summer

2

Theory

CH2 - Algebra

Solve. (a) \( 2 - 4(5 - 2x) = 0 \) \( x = \text{...........................................} \) [2] (b) \(|2x - 5| = 9\) \( x = \text{.................

2021 Summer

2

Theory

CH1 - Number

Find the value of(a) $64^{0}$, ......................................................... [1](b) $64^{\frac{1}{3}}$. .....................................

2021 Summer

1

Theory

CH5 - Geometry

A regular polygon has 30 sides.Find the size of one exterior angle.

2021 Summer

2

Theory

CH2 - Algebra

Factorise.(a) $12ax - 2by + 3ay - 8bx$ .............................................. [2](b) $5x^2 - 6x - 8$ ............................................

2021 Summer

1

Theory

CH6 - Vectors and transformations

(a) Work out $\begin{pmatrix} 12 \\ -5 \end{pmatrix} - 5 \begin{pmatrix} 4 \\ -1 \end{pmatrix}$. [2](b) Work out the magnitude of $\begin{pmatrix} -3 ...

2021 Summer

1

Theory

CH2 - Algebra

Rearrange this equation to make $x$ the subject.\[ \frac{a}{2x - 3} = \frac{b}{5x} \]$x$ = .............................

2021 Summer

1

Theory

CH8 - Trigonometry

(a) Solve.$$\sin x = \frac{1}{2} \text{ for } 0^\circ \leq x \leq 90^\circ$$$$x = \text{.......................................} \; [1]$$(b) Solve.$$\...

2021 Summer

2