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 1: In how many ways can the letters of the word ACCEPTANCE be arranged? Options:
  A) 10! / (2!2!3!)
  B) 10! / ( 2!3!)
  C) 10! / (2!2!)
  D) 10!
  Show Answer
  The correct answer is A .
• Question 2: The value of x + x ( x^x) when x = 2 is Options:
  A) 16
  B) 10
  C) 18
  D) 24
  Show Answer
  The correct answer is B .
• Question 3: Simplify $\frac{1-x^2}{x-x^2}$, where x $\ne$ 0 Options:
  A) $\frac{1}{x}$
  B) $\frac{1-x}{x}$
  C) $\frac{1+x}{x}$
  D) $\frac{1}{x-1}$
  E) $\frac{-x-1}{1}$
  Show Answer
  The correct answer is C .
• Question 4:

  Convert 0.04945 to two significant figures

  Options:
  A) 0.040
  B) 0.049
  C) 0.050
  D) 0.49
  Show Answer
  The correct answer is C .
• Question 5: Evaluate $\frac{81.81+99.44}{20.09+36.16}$ correct to 3 significant figures. Options:
  A) 6.24
  B) 3.22
  C) 2.78
  D) 2.13
  Show Answer
  The correct answer is B .
• Question 6:

  

  In the figure, the chords XY and ZW are produced to meet at T such that YT = WT, ZYW = 40${}^{\circ }$ and YTW = 30${}^{\circ }$. What is YXW?

  Options:
  A) 50${}^{\circ }$
  B) 75${}^{\circ }$
  C) 35${}^{\circ }$
  D) 115${}^{\circ }$
  E) 30${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 7: The ages of Tosan and Isa differ by 6 and the product of their ages is 187. Write their ages in the form (x, y), where x > y. Options:
  A) (12, 6)
  B) (23, 17)
  C) (17, 11)
  D) (18, 12)
  Show Answer
  The correct answer is C .
• Question 8:

  If Q is$\left[\begin{array}{cc}9& -2\\ -7& 4\end{array}\right]$, then |Q| is

  Options:
  A) -50
  B) -22
  C) 22
  D) 50
  Show Answer
  The correct answer is C .
• Question 9:

  Simplify $\sqrt{27}$ + $\frac{3}{\sqrt{3}}$

  Options:
  A) 4$\sqrt{3}$
  B) $\frac{4}{\sqrt{3}}$
  C) 3$\sqrt{3}$
  D) $\frac{\sqrt{3}}{4}$
  Show Answer
  The correct answer is A .
• Question 10: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .