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 1591:

  

  In the diagram, XZ is the diameter of the circle XYZW, with centre O and radius $\frac{15}{2}$cm. If XY = 12cm, find the area of the triangle XYZ

  Options:
  A) 45cm³
  B) 27cm³
  C) 75cm³
  D) 54cm³
  Show Answer
  The correct answer is D .
• Question 1592:

  

  The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?

  Options:
  A) 100
  B) 79
  C) 150
  D) 90
  Show Answer
  The correct answer is C .
• Question 1593: Differentiate (x² - ¹/_x)² with respect to x Options:
  A) 4x² - 4x - ²/_x
  B) 4x² - 2 + ²/_x³
  C) 4x² - 2 - ²/_x³
  D) 4x² - 3x + ²/_x
  Show Answer
  The correct answer is C .
• Question 1594: Factorize 2t² + t - 15 Options:
  A) (2t - 3)(t + 5)
  B) (t + 3)(2t - 5)
  C) (t + 3)(t - 5)
  D) (2t + 3)(t - 5)
  Show Answer
  The correct answer is B .
• Question 1595:

  

  The grades A1, A2, A3, C4 and F earned by students in a particular course are shown in the pie chart. What percentage of the students obtained a C4 grade?

  Options:
  A) 52.0
  B) 43.2
  C) 40.0
  D) 12.0
  Show Answer
  The correct answer is D .
• Question 1596:

  

  XYZ is a triangle and XW is perpendicular to YZ at = W. If XZ = 5cm and WZ = 4cm, Calculate XY.

  Options:
  A) 5$\sqrt{3}$cm
  B) 3$\sqrt{5}$cm
  C) 3$\sqrt{3}$cm
  D) 5cm
  E) 6cm
  Show Answer
  The correct answer is B .
• Question 1597: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1598: 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 1599:

  The 10th term of an AP is 32. If the first term is 3/2, what is the 4th term?

  Options:
  A) 35/3
  B) 64
  C) 16
  D) 35/2
  Show Answer
  The correct answer is A .
• Question 1600: A group of 14 children children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score. Options:
  A) 29
  B) 26
  C) 24
  D) 25
  E) 23
  Show Answer
  The correct answer is B .