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 2011: The sum of four numbers is 1214₅. What is the average expressed in base five? Options:
  A) 114
  B) 141
  C) 401
  D) 411
  Show Answer
  The correct answer is B .
• Question 2012: Find y, if $\sqrt{12}-\sqrt{147}+y\sqrt{3}=0$ Options:
  A) 5
  B) 1
  C) 7
  D) 3
  Show Answer
  The correct answer is A .
• Question 2013: The gradient of a line joining (x,4) and (1,2) is $\frac{1}{2}$. Find the value of x Options:
  A) 5
  B) 3
  C) -3
  D) -5
  Show Answer
  The correct answer is A .
• Question 2014:

  p = $\left|\begin{array}{ccc}x& 3& 0\\ 2& y& 3\\ 4& 2& 4\end{array}\right|$

  q = $\left|\begin{array}{ccc}x& 2& z\\ 3& y& 2\\ 0& 3& z\end{array}\right|$ Where p^T is the transpose p calculate /p^T/ when x = 0, y = 1 and z = 2

  Options:
  A) 48
  B) 24
  C) -24
  D) -48
  Show Answer
  The correct answer is B .
• Question 2015:

  

  In the diagram above, O is the centre of the circle ABC, < ABO = 26° and < BOC = 130°. Calculate < AOC.

  Options:
  A) 26°
  B) 13°
  C) 80°
  D) 102°
  Show Answer
  The correct answer is D .
• Question 2016: 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 .
• Question 2017: The solution of the quadratic inequality (x² + x - 12) $\ge$ 0 is Options:
  A) x $\ge$ 3 or x $\ge$ -4
  B) x $\le$ 3 or x $\le$ -4
  C) x $\ge$ 3 or x $\le$ -4
  D) x $\ge$ -3 or x $\le$ 4
  Show Answer
  The correct answer is C .
• Question 2018: Factorize r² - r(2p + q) + 2pq Options:
  A) (r - 2q)(2r - p)
  B) (r - p)(r + p0
  C) (r - q)(r - 2p)
  D) (2r - q)(r + p)
  Show Answer
  The correct answer is C .
• Question 2019:

  $\begin{array}{cccccc}\text{Class Intervals}& 0-2& 3-5& 6-8& 9-11& \\ \text{Frequency}& 3& 2& 5& 3& \end{array}$

  Find the mode of the above distribution.

  Options:
  A) 9
  B) 8
  C) 10
  D) 7
  Show Answer
  The correct answer is D .
• Question 2020: Solve the inequality -6(x + 3) $\le$ 4(x - 2) Options:
  A) x $\le$ 2
  B) x $\ge$ -1
  C) x $\ge$ -2
  D) x $\le$ -1
  Show Answer
  The correct answer is B .