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 601:

  

  The graph above is represented by

  Options:
  A) y = x³ - 3x - 2
  B) y = x³ + 2x² - x - 2
  C) y = x³ - 4x² + 5x - 2
  D) y = x³ - 4x + 2
  Show Answer
  The correct answer is B .
• Question 602: What is the common ratio of the G.P. $(\sqrt{10}+\sqrt{5})+(\sqrt{10}+2\sqrt{5})+...$? Options:
  A) $\sqrt{2}$
  B) $\sqrt{5}$
  C) 3
  D) 5
  Show Answer
  The correct answer is A .
• Question 603: After getting a rise of 15%, a man's new monthly salary is ₦345. How much per month did he earn before the increase? Options:
  A) ₦330
  B) n396.75
  C) ₦300
  D) ₦293.25
  E) ₦360
  Show Answer
  The correct answer is C .
• Question 604: Construct a quadratic equation whose roots are -$\frac{3}{2}$ and 7 Options:
  A) 3x² + 11x + 21 = 0
  B) 2x² + 11x + 21 = 0
  C) 2x² - 11x – 21 = 0
  D) 3x² - 11x - 21 = 0
  E) x² - 11x – 21 = 0
  Show Answer
  The correct answer is C .
• Question 605: Evaluate $\frac{3524}{0.05}$ correct to 3 significant figures Options:
  A) 705
  B) 70,000
  C) 70, 480
  D) 70, 500
  Show Answer
  The correct answer is D .
• Question 606: Find the value of log₁₀$\frac{1}{40}$, given that log₁₀4 = 0.6021 Options:
  A) 1.3979
  B) 2.3979
  C) 1.6021
  D) 2.6021
  Show Answer
  The correct answer is C .
• Question 607:

  Evaluate ${\int }_{-2}^1(x-1{)}^{2}dx$

  Options:
  A) $\frac{-10}{3}$
  B) 7
  C) 9
  D) 11
  Show Answer
  The correct answer is C .
• Question 608: Integrate $\frac{1-x}{x^3}$ with respect to x Options:
  A) $\frac{x-x^2}{x^4}$ + k
  B) $\frac{4}{x^4}-\frac{3+k}{x^3}$
  C) $\frac{1}{x}-\frac{1}{2x^2}$ + k
  D) $\frac{1}{3x^2}-\frac{1}{2x}$ + k
  Show Answer
  The correct answer is C .
• Question 609: A trader bought goats for N4000 each. He sold them for N180,000 at a loss of 25%. How many goats did he buy? Options:
  A) 60
  B) 50
  C) 45
  D) 36
  Show Answer
  The correct answer is A .
• Question 610: If U = {x : x is an integer and 1 ≤ x ≤ }
  E¹ = {x: x is a multiple of 3}
  E² = {x: x is a multiple of 4} and an integer is picked at random from U, find the probability that it is not in E² Options:
  A) $\frac{3}{4}$
  B) $\frac{3}{10}$
  C) $\frac{1}{4}$
  D) $\frac{1}{20}$
  Show Answer
  The correct answer is A .