Mathematics 2018 Past Questions | WAEC

Study the following Mathematics past questions and answers for JAMBWAEC  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 =  5x6
  • B. y =  +5x6
  • C. y =  +x6
  • D. y =  x6

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. waec

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.  2/5

20.waec

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
  •  
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