Mathematics 2018 Past Questions | WAEC
Study the following Mathematics past questions and answers for JAMB, WAEC NECO and Post-JAMB. Get prepared with official past questions and answers for upcoming examinations.
11. \(\frac{2 – 18m^2}{1 + 3m}\)
- A. \(2 (1 + 3m)\)
- B. \(2 (1 + 3m^2)\)
- C. \(2(1 – 3m)\)
- D. \(2(1 – 3m^2)\)
12. A curve is such that when y = 0, x = -2 or x = 3. Find the equation of the curve.
- A. y =
- B. y =
- C. y =
- D. y =
13. The volume of a cylindrical tank, 10m high is 385 m2. Find the diameter of the tank. [Take π=22/7]
A. 14m
B. 10m
C. 7m
C. 5m
14. The surface area of a sphere is 792/7cm2. Find, correct to the nearest whole number, its volume. [Take π=22/7]
A. 113cm3
B. 131cm3
C. 311cm3
D. 414cm3
15. The angles of a polygon are x, 2x, 2x, (x + \(30^o\)), (x + \(20^o\)) and (x – \(10^o\)). Find the value of x
- A. \(45^o\)
- B. \(95^o\)
- C. \(84^o\)
- D. \(85^o\)
16. If M and N are the points (-3, 8) and (5, -7) respectively, find |MN|
- A. 8 units
- B. 11 units
- C. 15 units
- D. 17 units
17. The equation of the line through the points (4,2) and (-8, -2) is 3y = px + q, where p and q are constants. Find the value of p.
- A. 1
- B. 2
- C. 3
- D. 9
18. The mean of 1, 3, 5, 7 and x is 4. Find the value of x
- A. 2
- B. 4
- C. 6
- D. 8
19. 
The table shows the distribution of goals scored by 25 teams in a football competition. Calculate the probability that a team selected at randon scored either 4 or 7 goals.
- A. 9/25
- B. 1/5
- C. 6/25
- D. /5
20.
The table shows the distribution of goals scored by 25 teams in a football competition. Calculate the probability that a team selected at random scored at most 3 goals.
- A. 3/25
- B. 1/5
- C. 6/25
- D. 2/5
