## Question 50

**The bar chart above shows the marks obtained by students in a mathematics test**

Determine the mean score of the students that took the mathematics test

**The bar chart above shows the marks obtained by students in a mathematics test**

Determine the mean score of the students that took the mathematics test

**The bar chart above shows the marks obtained by students in a mathematics test**

How many students in all took the test

Rationalise$\frac{\sqrt{6}-\sqrt{4}}{\sqrt{6}+\sqrt{4}}$

OGIVE is constructed using

In the cyclic quadrilateral above, find $\angle PRO$

Find the mean of 10, 8, 5, 11, 12, 9, 6, 3, 15, and 23

From the cyclic quadrilateral above, find $\angle TVS$

If *Q* is a factor of 18 and *T* is a prime number between 2 and 18. What is $Q\cap T$

Solve for *x* and *y* respectively$\begin{align} & 2x-5y=9 \\ & 6x-4y=12 \\\end{align}$

If $N=\frac{P}{2}\left( \frac{{{T}_{1}}-{{T}_{2}}}{{{T}_{1}}} \right)$ find *P* when N= 12, T_{1} = 27 and T_{2} = 24