Mathematics Past Questions And Answers
From a point P, R is 5km due west and 12km due south. Find the distance between P and R
- A. 5km
- B. 12km
- C. 13km
- D. 17km
If \(a = \begin{pmatrix} 3 \\ 2 \end{pmatrix}\) and \(b = \begin{pmatrix} -3 \\ 5 \end{pmatrix}\), find a vector c such that \(4a + 3c = b\).
- A. \(\begin{pmatrix} 3 \\ -1 \end{pmatrix}\)
- B. \(\begin{pmatrix} -5 \\ -1 \end{pmatrix}\)
- C. \(\begin{pmatrix} -5 \\ 1 \end{pmatrix}\)
- D. \(\begin{pmatrix} -5 \\ -9 \end{pmatrix}\)
In a given regular polygon, the ratio of the exterior angle to the interior angles is 1:3. How many side has the polygon?
- A. 40
- B. 5
- C. 6
- D. 8
In a firing contest, the probabilities that Kojo and Kwame hit the target are \(\frac{2}{5}\) and \(\frac{1}{3}\) respectively. What is the probability that none of them hit the target?
- A. \(\frac{1}{5}\)
- B. \(\frac{2}{5}\)
- C. \(\frac{3}{5}\)
- D. \(\frac{4}{5}\)
The deviations from the mean of a set of numbers are \((k+3)^{2}, (k+7), -2, \text{k and (} k+2)^{2}\), where k is a constant. Find the value of k.
- A. 3
- B. 2
- C. -2
- D. -3
A box contains 2 white and 3 blue identical balls. If two balls are picked at random from the box, one after the other with replacement, what is the probability that they are of different colours?
- A. \(\frac{2}{3}\)
- B. \(\frac{3}{5}\)
- C. \(\frac{7}{20}\)
- D. \(\frac{12}{25}\)
From the cyclic quadrilateral above, find< TSV

- A. 60°
- B. 80°
- C. 70°
- D. 50°
In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon.
- A. 8
- B. 6
- C. 4
- D. 3
In the diagram below, l1 is parallel to l2, Find the value of< PMT

- A. 82°
- B. 36°
- C. 72°
- D. 118°
Given the quadrilateral RSTO inscribed in the circle with O as centre. Find the size angle x and given RST = 60°
- A. 100°
- B. 140°
- C. 120°
- D. 10°

