The pie chart shows the favourite subjects of $180$ students.

Find the number of students whose favourite subject is 'English'.

A shop sells three grades of coffee, which are Platinum, Gold and Silver. The pie chart represents the weight (in $\mathrm{kg}$ ) of each grade of coffee sold on a particular day. The total weight of coffee sold was $14.4 \mathrm{kg}$.

Find the value of $x$.

The pie chart shows the proportions of students by age in a class. There are $23$ students who are $12$ years old.

Find the value of $x$,

The pie chart shows the proportions of students by age in a class. There are $23$ students who are $12$ years old.

Find the total number of students in the class,

The pie chart shows the proportions of students by age in a class. There are $23$ students who are $12$ years old.

Find the number of students who are $13$ years old.

Look at the diagram given below.

State the coordinates of the points $P$ and $Q$.

Look at the diagram given below.

State the quadrants in which $P$ and $Q$ lie.

Using a scale of $1 \mathrm{cm}$ to $1$ unit on both axes, plot the points $R(1,3), S(-2,3), T(0,-1)$ and $U(2,-2)$ on a sheet of graph paper.