Mathematics Past Questions And Answers
Use the graph of y = 3x2 + x - 7 above to answer the question
What is the minimum value of y?

- A. -10
- B. -7
- C. -4
- D. -1
Obtain the missing number in the following sequence: 2, 3, 5, 8, ----, 17, 23, 30
- A. 13
- B. 12
- C. 11
- D. 14
In the figure, PS = QS = RS and QSR - 100o, find QPR

- A. 40o
- B. 50o
- C. 80o
- D. 100o
The table shows the scores obtained when a fair die was thrown a number of times.
| Score | 1 | 2 | 3 | 4 | 5 | 6 |
| Frequency | 2 | 5 | x | 11 | 9 | 10 |
If the probability of obtaining a 3 is 0.26, find the (a) median
(b) standard deviation of the distribution.
View Discussion (0)WAEC 2011 THEORYIf x > 0, find the range of number x-3, 3x+2,x-1, 4x, 2x-1, x-2, 2x-2, 3x and 3x+1
- A. 3x+3
- B. 3x+1
- C. 2x+5
- D. 2x+1
An arc of a circle subtends an angle of 60o at the centre. If the radius of the circle is 3cm, find , in terms of \(\pi\), the length of the arc
- A. \(\pi\)cm
- B. 2\(\pi\)cm
- C. 3\(\pi\)cm
- D. 6\(\pi\)cm
Solve for x and y respectively in the simultaneous equations -2x - 5y = 3. x + 3y = 0
- A. -3, -9
- B. 9, -3
- C. -9,3
- D. 3, -9
If sinθ = 3/5. Find tanθ
- A. 3/4
- B. 3/5
- C. 2/5
- D. 1/4
The sum and product of the roots of a quadratic equation are \(\frac{4}{7}\) and \(\frac{5}{7}\) respectively. Find its equation.
- A. \(7x^{2} - 4x - 5 = 0\)
- B. \(7x^{2} - 4x + 5 = 0\)
- C. \(7x^{2} + 4x - 5 = 0\)
- D. \(7x^{2} + 4x + 5 = 0\)
Given matrix M = \(\begin{vmatrix} -2 & 0 & 4 \\ 0 & -1 & 6 \\ 5 & 6 & 3 \end{vmatrix}\), find \(M^{T} + 2M\)
- A. \(\begin{vmatrix} -4 & 2 & 1\\ 6 & 0 & 5 \\ 0 & 6 & 2 \end{vmatrix}\)
- B. \(\begin{vmatrix} -6 & 0 & 13\\ 0 & -3 & 18 \\ 14 & 18 & 9 \end{vmatrix}\)
- C. \(\begin{vmatrix} 5 & 2 & 6 \\ 0 & 1 & 1\\ 3 & 4 & -7 \end{vmatrix}\)
- D. \(\begin{vmatrix} -4 & 0 & 8 \\ 0 & -2 & -16 \\ 10 & 12 & 6 \end{vmatrix}\)

