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 881:

  Integrate $\int (4x^{-3}-7x^2+5x-6)\mathrm{d}x$.

  Options:
  A) $-2x^{-2}-\frac{7}{3}{x}^3+\frac{5}{2}{x}^2-6x$
  B) $2x^2+\frac{7}{3}{x}^3-5x+6$
  C) $12x^2+14x-5$
  D) $-12x^{-4}-14x+5$
  Show Answer
  The correct answer is A .
• Question 882:

  Evaluate Log${}_2$ 8√2

  Options:
  A) 3.0
  B) 4.5
  C) 3.5
  D) 2.5
  Show Answer
  The correct answer is C .
• Question 883:

   

  The histogram above shows the ages of the victims of a pollution. How many people were involved in the pollution?

  Options:
  A) 15
  B) 18
  C) 20
  D) 21
  Show Answer
  The correct answer is C .
• Question 884: An arithmetic progression has first term 11 and fourth term 32. The sum of the first nine terms is Options:
  A) 351
  B) 531
  C) 135
  D) 153
  Show Answer
  The correct answer is A .
• Question 885:

  Tade bought 200 mangoes at 4 for ₦2.50. 30 out of the mangoes got spoilt and the remaining were sold at 2 for ₦2.40. Find the percentage profit or loss.

  Options:
  A) 43.6% loss
  B) 35% profit
  C) 63.2% profit
  D) 28% loss
  Show Answer
  The correct answer is C .
• Question 886: Solve the simultaneous equations $\frac{2}{x}-\frac{2}{x}$ = 2, $\frac{4}{x}+\frac{3}{y}$ = 10 Options:
  A) x = $\frac{3}{2}$, y = $\frac{3}{2}$
  B) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  C) x = $\frac{-1}{2}$, y = $\frac{-3}{2}$
  D) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  Show Answer
  The correct answer is B .
• Question 887: Simplify $\frac{3^n-3^{n-1}}{3^3\times 3^n-27\times 3^{n-1}}$ Options:
  A) 1
  B) 6
  C) $\frac{1}{27}$
  D) $\frac{4}{3}$
  Show Answer
  The correct answer is C .
• Question 888: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 889: Make x the subject of the equation a(b + c) + $\frac{5}{d}$ - 2 = 0 Options:
  A) c = $\frac{2d-5-b}{ad}$
  B) c = $\frac{2d-5-abd}{ad}$
  C) c = $\frac{2d-5-ab}{ad}$
  D) c = $\frac{5-2d-b}{ad}$
  Show Answer
  The correct answer is B .
• Question 890: Rationalize $\frac{2\sqrt{3}+3\sqrt{2}}{3\sqrt{2}-2\sqrt{3}}$ Options:
  A) 5 - 2$\sqrt{6}$
  B) 5 + 2$\sqrt{6}$
  C) 5$\sqrt{6}$
  D) 5
  Show Answer
  The correct answer is B .