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 471: In how many ways can the letters of the word TOTALITY be arranged? Options:
  A) 6720
  B) 6270
  C) 6207
  D) 6027
  Show Answer
  The correct answer is A .
• Question 472: 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 473:

  

  The bar chart shows different colours of cars passing a particular point of a certain street in two minutes. What fraction of the cars is yellow

  Options:
  A) $\frac{1}{5}$
  B) $\frac{2}{25}$
  C) $\frac{4}{15}$
  D) $\frac{3}{25}$
  Show Answer
  The correct answer is D .
• Question 474: Solve for x if 25^x + 3(5^x) = 4 Options:
  A) 1 or -4
  B) zero
  C) 1
  D) -4 or o
  Show Answer
  The correct answer is B .
• Question 475:

  

  Find the volume of the figure.

  Options:
  A) $\frac{a{\pi }^2}{3}(x+3y)$
  B) a${\pi }^2$y
  C) $\frac{a{\pi }^2}{3}$(y + x)
  D) ($\frac{1}{3}a{\pi }^{2}x+y$)
  Show Answer
  The correct answer is A .
• Question 476: If y = x² - x - 12, find the range of values of x for which y $\ge$ 0
  Options:
  A) x < -3 0r x > 4
  B) x $\le$ -3 or x $\ge$ 4
  C) -3 < x $\ge$ 4
  D) -3 $\le$ x $\le$ 4
  Show Answer
  The correct answer is C .
• Question 477: 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 478: If sin 30° = 0.5, what is the cosine of its complement? Options:
  A) -0.866
  B) -0.5
  C) 0.0.5
  D) 0.866
  E) 1
  Show Answer
  The correct answer is C .
• Question 479: One bag contains 4 white balls and 2 black balls. Another bag contains 3 white balls and 5 black balls, if one ball is drawn from each bag, what is the probability that both are white? Options:
  A) $\frac{2}{3}$
  B) $\frac{3}{8}$
  C) $\frac{7}{24}$
  D) $\frac{1}{4}$
  E) $\frac{1}{24}$
  Show Answer
  The correct answer is D .
• Question 480:

  If $f(x)=3x^3+4x^2+x-8$, what is the value of f(-2)?

  Options:
  A) -24
  B) 30
  C) -18
  D) -50
  Show Answer
  The correct answer is C .