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 2871: Two perpendicular lines PQ and QR intersect at (1, -1). If the equation of PQ is x - 2y + 4 = 0, find the equation of QR Options:
  A) x + 2y - 1= -0
  B) 2x + y - 3 = 0
  C) x - 2y - 3 = 0
  D) 2x + y - 1
  Show Answer
  The correct answer is D .
• Question 2872: Simplify $\frac{1}{x^2+5x+6}$ + $\frac{1}{x^2+3x+2}$ Options:
  A) $\frac{x}{(x+2)(x-3)}$
  B) $\frac{2}{(x+5)(x-3)}$
  C) $\frac{2}{(x+1)(x+3)}$
  D) $\frac{2}{(x-1)(x-3)}$
  Show Answer
  The correct answer is C .
• Question 2873:

  Factorize 2t² + t - 15

  Options:
  A) (t + 3)(2t - 5)
  B) (2t + 3)(t - 5)
  C) (2t - 3)(t + 5)
  D) (t + 3)(t - 5)
  Show Answer
  The correct answer is A .
• Question 2874: If f(x) = 2x² - 5x + 3, find f(x + 1) Options:
  A) 2x² - x
  B) 2x² - x + 10
  C) 4x² + 3x + 2
  D) 4x² + 3x + 12
  Show Answer
  The correct answer is A .
• Question 2875: Simplify $\sqrt{48}$ - $\frac{9}{\sqrt{3}}$ + $\sqrt{75}$ Options:
  A) 5√3
  B) 6√3
  C) 8√3
  D) 18√3
  Show Answer
  The correct answer is B .
• Question 2876:

  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 2877:

  Solve the inequality: -7 $\le$ 9 - 8x < 16 - x

  Options:
  A) -1 $\le$ x $\le$ 2
  B) -1 $\le$ x < 2
  C) -1 < x < 2
  D) -1 < x $\le$ 2
  Show Answer
  The correct answer is D .
• Question 2878: Find the range of 4,9,6,3,2,8,10 and 11 Options:
  A) 11
  B) 9
  C) 8
  D) 4
  Show Answer
  The correct answer is B .
• Question 2879: Make Q the subject of the formula when L = $\frac{4}{3}$ m$\sqrt{PQ}$ Options:
  A) $\frac{9L^2}{16m^{2}P}$
  B) $\frac{3L}{4m\sqrt{P}}$
  C) $\frac{\sqrt{3L}}{4mP}$
  D) $\frac{3L^2}{16m^{2}P}$
  Show Answer
  The correct answer is A .
• Question 2880: Evaluate ${\int }_1^2(x^2-4x)dx$ Options:
  A) $\frac{11}{3}$
  B) $\frac{3}{11}$
  C) $-\frac{3}{11}$
  D) $-\frac{11}{3}$
  Show Answer
  The correct answer is D .