Mathematics Past Questions And Answers
Simplify: \(\frac{5}{x - y} - \frac{4}{y - x}\)
- A. 9/x - y
- B. 9/y - x
- C. 1/x - y
- D. 1/y - x
The distance traveled by a particle from a fixed point is given as s = (t3 - t2 - t + 5)cm. Find the minimum distance that the particle can cover from the fixed point?
- A. 2.3 cm
- B. 4.0 cm
- C. 5.2 cm
- D. 6.0 cm
Given that y varies inversely as the square of x. If x = 3 when y = 100, find the equation connecting x and y.
- A. \(yx^2 = 300\)
- B. \(yx^2 = 900\)
- C. y = \(\frac{100x}{9}\)
- D. \(y = 900x^2\)
3% of a family's income is spent on electricity, 59% on food, 20% on transport, 11% on education and 7% on extended family. The angles subtended at the centre of the pie chart under education and food are respectively
- A. 76.8o and 25.2o
- B. 10.8o and 224.6o
- C. 112.4o and 72.0o
- D. 39.6o and 212.4o
A crate of soft drinks contains 10 bottle of Coca-Cola 8 of Fanta and 6 of Sprite. If one bottle is selected at random, what is the probability that it is Not a Coca-Cola bottle?
- A. 5/12
- B. 1/3
- C. 3/4
- D. 7/12
Find the integral values of x and y satisfying the inequality 3y + 5x ≤ 15, given that y > 0, y< 3 and x > 0.
- A. (1,1), (1,2), (1,3)
- B. (1,1), (2,1), (1,3)
- C. (1,1), (3,1), (2,2)
- D. (1,1), (1,2), (2,1)
Calculate the length in cm. of the area of a circle of diameter 8cm which subtends an angle of 22\(\frac{1}{2}\)o at the centre of the circle
- A. 2\(\pi\)
- B. \(\pi\)
- C. \(\frac{2}{3}\)
- D. \(\frac{\pi}{2}\)
The angles of triangle are (x + 10)°, (2x - 40)° and (3x - 90)°. Which of the following accurately describes the triangle?
- A. it is a scalene triangle
- B. it is right angled isosceles triangle
- C. t is an equilateral triangle
- D. It is an isosceles triangle but not right angled
(a) Copy and complete the table of values for \(y = 3\sin x + 2\cos x\) for \(0° \leq x \leq 360°\).
| x | 0° | 60° | 120° | 180° | 240° | 300° | 360° |
| y | 2.00 | 2.00 |
(b) Using a scale of 2 cm to 60° on x- axis and 2 cm to 1 unit on the y- axis, draw the graph of \(y = 3 \sin x + 2 \cos x\) for \(0° \leq x \leq 360°\).
(c) Use your graph to solve the equation : \(3 \sin x + 2 \cos x = 1.5\).
(d) Find the range of values of x for which \(3\sin x + 2\cos x < -1\).
View Discussion (0)WAEC 2008 THEORYIn the diagram, IG is parallel to JE, JEF = 120° and FHG = 130°, find the angle marked t

- A. 40°
- B. 70°
- C. 80°
- D. 100°


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