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 471: The median of the set of numbers 4, 9, 4, 13, 7, 14, 10, 17 is Options:
  A) 13
  B) 7
  C) $\frac{19}{2}$
  D) $\frac{39}{4}$
  E) 10
  Show Answer
  The correct answer is C .
• Question 472:

  Find p, q for which $\left(\begin{array}{cc}2p& 8\\ 3& -5q\end{array}\right)$$\left(\begin{array}{c}1\\ 2\end{array}\right)$$\left(\begin{array}{c}24\\ -17\end{array}\right)$

  Options:
  A) -1, 4
  B) 4, 5
  C) 4, 2
  D) 2, -4
  Show Answer
  The correct answer is C .
• Question 473:

  Evaluate (2√3 - 4) (2√3 + 4) 

  Options:
  A) -4
  B) -2
  C) 2
  D) 4
  Show Answer
  The correct answer is A .
• Question 474: Find the number of sides of a regular polygon whose interior angle is twice the exterior angle. Options:
  A) 6
  B) 2
  C) 3
  D) 8
  Show Answer
  The correct answer is A .
• Question 475: The determination of the matrix $\left(\begin{array}{ccc}1& 3& 3\\ 4& 5& 6\\ 2& 0& 1\end{array}\right)$ is Options:
  A) -67
  B) -57
  C) -3
  D) 3
  Show Answer
  The correct answer is D .
• Question 476:

  

  In the figure, STQ = SRP, PT = TQ = 6cm and QS = 5cm. Find SR

  Options:
  A) $\frac{47}{5}$
  B) 5
  C) $\frac{32}{5}$
  D) $\frac{22}{5}$
  Show Answer
  The correct answer is A .
• Question 477: What is the value of p if the gradient of the line joining (-1,p) and (p, 4) is

  2

  3

  ? Options:
  A) -2
  B) -1
  C) 1
  D) 2
  Show Answer
  The correct answer is D .
• Question 478: Simplify ($\frac{3}{4}$ of $\frac{4}{9}$ $÷$ 9$\frac{1}{2}$) $÷$ 1$\frac{5}{19}$ Options:
  A) $\frac{1}{5}$
  B) $\frac{1}{4}$
  C) $\frac{1}{36}$
  D) $\frac{1}{25}$
  Show Answer
  The correct answer is C .
• Question 479: Three sets of rice x, y and z are sold for N15.00, N35.00 and N60.00 respectively per kg. It they are mixed in the ratio of 1: 3 : 2, what is the cast per kg of the mixture? Options:
  A) N45.00
  B) N42.50
  C) N40.00
  D) N35.50
  E) N25.80
  Show Answer
  The correct answer is C .
• Question 480:

  Express 495g as a percentage of 16.5kg

  Options:
  A) 3%
  B) 3 $\frac{1}{3}$%
  C) 15%
  D) 30%
  Show Answer
  The correct answer is A .