Mathematics Exam Past Questions and Answers | JAMB, WAEC and NECO

Mathematics looks at measurement, relationships, and properties of numbers and groups using numbers and symbols. Important topics in math include arithmetic, algebra, geometry, and calculus.

• Question 1991: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1992: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1993:

  $\frac{0.00256\times 0.0064}{0.025\times 0.08}$

  Options:
  A) 8.8 x 10${}^{-1}$
  B) 8.8 x 10${}^{-2}$
  C) 8.8 x 10${}^{-3}$
  D) 8.8 x 10${}^3$
  Show Answer
  The correct answer is C .
• Question 1994: In a class of 120 students, 18 of them scored an A grade in mathematics. If the section representing the A grade students on a pie chart has angle Z^o at the centre of the circle, what is Z? Options:
  A) 15
  B) 27
  C) 50
  D) 52
  E) 54
  Show Answer
  The correct answer is E .
• Question 1995:

  if y = 23${}_{five}$ + 101${}_{three}$ find y leaving your answer in base two

  Options:
  A) 1110
  B) 10111
  C) 11101
  D) 111100
  Show Answer
  The correct answer is B .
• Question 1996: If the population of a town was 240,000 in January 1998 and it increased by 2% each year, what would be the population of the town in January, 2000? Options:
  A) 480,000
  B) 249,696
  C) 249,600
  D) 244,800
  Show Answer
  The correct answer is B .
• Question 1997: Make x the subject of the relation $\frac{1+ax}{1-ax}$ = $\frac{p}{q}$ Options:
  A) $\frac{p+q}{a(p-q)}$
  B) $\frac{p-q}{a(p+q)}$
  C) $\frac{p-q}{apq}$
  D) $\frac{pq}{a(p-q)}$
  Show Answer
  The correct answer is B .
• Question 1998: Solve the equation (x - 2) (x - 3) = 12 Options:
  A) 2, 3
  B) 3, 6
  C) -1, 6
  D) 1, -6
  Show Answer
  The correct answer is C .
• Question 1999: Find the maximum value of y in the equation y = 1 - 2x - 3x² Options:
  A) 5/4
  B) 5/3
  C) 3/4
  D) 4/3
  Show Answer
  The correct answer is D .
• Question 2000: If a u² - 3v² and b = 2uv + v² evaluate (2a - b)(a - b²), when u = 1 and v = -1 Options:
  A) 9
  B) 15
  C) 27
  D) 33
  Show Answer
  The correct answer is A .