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 101: What value of g will make the expression 4x² - 18xy + g a perfect square? Options:
  A) 9
  B) $\frac{9y^2}{4}$
  C) 81y^2
  D) $\frac{18y^2}{4}$
  Show Answer
  The correct answer is D .
• Question 102: The ninary operation * is defined on the set of integers p and q by p*q = pq + p + q. Find 2 * (3 * 4). Options:
  A) 59
  B) 19
  C) 67
  D) 38
  Show Answer
  The correct answer is A .
• Question 103: Simplify $\frac{9^{\frac{1}{3}}\times {27}^{-\frac{1}{3}}}{3^{-\frac{1}{6}}\times 3^{\frac{2}{3}}}$ Options:
  A) $\frac{1}{3}$
  B) 1
  C) 3
  D) 9
  Show Answer
  The correct answer is B .
• Question 104: Factorize 1 - (a - b)² Options:
  A) (1 - a - b)(1 - a + b)
  B) (1 + a - b)(1 - a + b)
  C) (1 - a + b)(1 - a + b)
  D) (1 + a + b)(1 + a + b)
  Show Answer
  The correct answer is B .
• Question 105:

  The table below is drawn for a graph y = x³ - 3x + 1.

  $\begin{array}{cccccccc}x& -3& -2& -1& 0& 1& 2& 3\\ y=x^3-3x+1& 1& -1& 3& 1& -1& 3& 1\end{array}$

  From x = -2 to x = 1, the graph crosses the x-axis in the range(s)

  Options:
  A) -1 < x < 0 and 0 < x < 1
  B) -2 < x < -1 and 0 < x < 1
  C) -2 < x < -1 and -1 < x < 0
  D) 0 < x < 1
  Show Answer
  The correct answer is B .
• Question 106: The locus of a point equidistant from two points P(6,2) and R(4,2) is a perpendicular bisector of PR passing through Options:
  A) (2, 5)
  B) (5, 2)
  C) (1, 0)
  D) (0,1)
  Show Answer
  The correct answer is B .
• Question 107:

  Which of the following is in descending order?

  Options:
  A) $\frac{9}{10}\frac{4}{5}\frac{3}{4}\frac{17}{20}$
  B) $\frac{4}{5}\frac{9}{10}\frac{3}{4}\frac{17}{20}$
  C) $\frac{9}{10}\frac{17}{20}\frac{4}{5}\frac{3}{4}$
  D) $\frac{4}{5}\frac{9}{10}\frac{17}{20}\frac{3}{4}$
  Show Answer
  The correct answer is C .
• Question 108: If f(x - 2) = 3x² + 4x + 1. Find the area of the sector Options:
  A) 8
  B) 40
  C) 7
  D) 24
  E) 32
  Show Answer
  The correct answer is B .
• Question 109: A man walks 100 m due West from a point X to Y, he then walks 100 m due North to a point Z. Find the bearing of X from Z. Options:
  A) 195^o
  B) 135^o
  C) 225^o
  D) 045^o
  Show Answer
  The correct answer is B .
• Question 110: Evaluate (2^o + 4 -$\frac{1}{2}$²) Options:
  A) $\frac{1}{4}$
  B) $\frac{5}{4}$
  C) $\frac{9}{4}$
  D) 4
  E) 9
  Show Answer
  The correct answer is C .