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

2

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

(a) Write 4725.6 correct to two significant figures. Answer(a) .................................................. [1] (b) Write 0.01026 correct to t...

2015 Summer

1

Theory

CH2 - Algebra

Expand and simplify.(a) \(-3x(2-x)-(3x^2-7)\)Answer(a) ...................................................[2](b) \((5x-3y)(2y-5x)\)Answer(b) ............

2015 Summer

2

Theory

CH1 - Number

Find the exact value of $27^{\frac{1}{3}}$.

2015 Summer

2

Theory

CH2 - Algebra

Simplify \( (16x^8y^2)^{\frac{1}{2}} \).

2015 Summer

1

Theory

CH1 - Number

(a) Simplify.\[ \sqrt{27} + \sqrt{147} \]Answer(a) ............................................................... [2](b) Rationalise the denominator....

2015 Summer

1

Theory

CH3 - Functions

Solve.$\log x + \log 5 - \log 25 = \log 10$Answer $x=$ ..................................................

2015 Summer

1

Theory

CH1 - Number

There are 400 students at a school.$\frac{2}{5}$ of the students are boys.70\% of the girls can swim.The ratio of boys that cannot swim to girls that ...

2015 Summer

2

Theory

CH5 - Geometry

(a) Write down the value of $x$.Answer(a) $x= \text{..................................................}$ [1](b) Find the value of $y$.Answer(b) $y= \t...

2015 Summer

2

Theory

CH3 - Functions

Given $f(x) = \frac{1}{3x - 2}$(a) Find $f(4)$.Answer(a) .......................................................... [1](b) Solve $f(x) = \frac{1}{4}$....

2015 Summer

1

Theory

CH6 - Vectors and transformations

ABCD is a trapezium. $AB = 2DC$, $DM = 2MC$, and $AN = 3NB$. $\overrightarrow{AB} = p$ and $\overrightarrow{AD} = q$. (a) Write $\overrightarrow{MC...

2015 Summer

2