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 401:

  

  The result of tossing a fair die 120 times is summarized above. Find the value of x

  Options:
  A) 19
  B) 20
  C) 21
  D) 22
  Show Answer
  The correct answer is B .
• Question 402: Find the angle of the sectors representing each item in pie chart of the following data 6, 10, 14, 16, 26 Options:
  A) 15^o, 25^o, 35^o, 40^o, 65^o
  B) 60^o, 100^o, 140^o, 160^o, 260^o
  C) 6^o, 10^o, 14^o, 16^o, 26^o
  D) 30^o, 50^o, 70^o, 80^o, 130^o
  E) none of the above
  Show Answer
  The correct answer is D .
• Question 403: Find the equation of the perpendicular at the point (4,3) to the line y + 2x = 5 Options:
  A) 2y - x = 4
  B) y + 2x = 3
  C) y + 2x = 5
  D) 2y - x = 2
  Show Answer
  The correct answer is D .
• Question 404: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 405: Factorize completely 4abx - 2axy -12b²x + 6bxy Options:
  A) 2x(a - 3b)(2b - y)
  B) 2x(3b - a)(2b - y)
  C) 2x(a - 3b)(y - 2b)
  D) 2x(2b - a)(3b - y)
  Show Answer
  The correct answer is A .
• Question 406: Solve for a positive number x such that 2(x³ - x² - 2x) = 1 Options:
  A) 4
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is C .
• Question 407:

  Given T = { even numbers from 1 to 12 }
  N = {common factors of 6, 8 and 12}
  Find T ∩ N

  Options:
  A) {2, 3}
  B) {2, 3, 4}
  C) {3, 4, 6}
  D) {2}
  Show Answer
  The correct answer is D .
• Question 408: The angle between the positive horizontal axis and a given line is 135^o. Find the equation of the line if it passes through the point (2,3) Options:
  A) x - y = 1
  B) x + y = 1
  C) x + y = 5
  D) x - y = 5
  Show Answer
  The correct answer is C .
• Question 409: If y = 2x³ + 6x² + 6x + 1, Find $\frac{dy}{dx}$ Options:
  A) 6x² + 12x + 1
  B) 6x² + 6x + 1
  C) 6x² + 6x + 6
  D) 6x² + 12x + 6
  Show Answer
  The correct answer is D .
• Question 410:

  The population of a village decreased from 1,230 to 1,040 due to breakout of an epidemic. What is the percentage decrease in the population?

  Options:
  A) 15.44%
  B) 15.43%
  C) 15.42%
  D) 15.45%
  Show Answer
  The correct answer is D .