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 1931:

  $\begin{array}{ccccccccc}\text{Marks}& 2& 3& 4& 5& 6& 7& 8& 9\\ \text{No. of students}& 3& 4& 1& 0& 4& 5& 2& 1\end{array}$

  The table above shows the distribution of marks of students in a test. Find the probability of passing the test if the pass mark is 5.

  Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{7}{20}$
  D) $\frac{1}{5}$
  Show Answer
  The correct answer is A .
• Question 1932: Write h in terms of a, b, c, d if a = $\frac{b(1-ch)}{a-dh}$ Options:
  A) h = $\frac{a-b}{ad}$
  B) h = $\frac{1-b}{ad-bc}$
  C) h = $\frac{(a-b{)}^2}{ad-bc}$
  D) h = $\frac{a-b}{ad-bc}$
  E) h = $\frac{b-a}{ab-dc}$
  Show Answer
  The correct answer is D .
• Question 1933: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1934: Factorize 6x² - 14x - 12 Options:
  A) 2(x + 3)(3x - 2)
  B) 6(x - 2)(x + 1)
  C) 2(x - 3)(3x + 2)
  D) 6(x + 2)(x - 1)
  E) (3x - 4)(2x + 3)
  Show Answer
  The correct answer is C .
• Question 1935: If $\frac{(2\sqrt{3}-\sqrt{2})}{(\sqrt{3}+2\sqrt{2})}=m+n\sqrt{6}$, find the values of m and n respectively. Options:
  A) 1, -2
  B) -2, 1
  C) $\frac{-2}{5}$, 1
  D) 2, 3/5
  Show Answer
  The correct answer is B .
• Question 1936: If s = (2 + 3t)(5t - 4), find $\frac{dy}{dx}$ when t = $\frac{4}{5}$ sec Options:
  A) 0 units per sec.
  B) 15 units per seconds
  C) 22 units per seconds
  D) 26 units per seconds
  Show Answer
  The correct answer is C .
• Question 1937: Simplify $\frac{3}{2x-1}$ + $\frac{2-x}{x-2}$ Options:
  A) $\frac{2-x}{(2x-1)(x-2)}$
  B) $\frac{5-x}{(2x-1)(x-2)}$
  C) $\frac{4-2x}{2x-1}$
  D) $\frac{6-3x}{(2x-1)(x-2)}$
  Show Answer
  The correct answer is C .
• Question 1938: Solve for x in 8x^-2 = 2/25 Options:
  A) 4
  B) 6
  C) 8
  D) 10
  Show Answer
  The correct answer is D .
• Question 1939: Find the value of x if $[1÷{64}^{(x+2)}]=[4^{(x-3)}÷{16}^x]$ Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) $\frac{1}{3}$
  D) $-\frac{3}{2}$
  Show Answer
  The correct answer is D .
• Question 1940: A chord 20cm long subtends an angle of 60° at the circumference of a circle, what is the diameter of the circle the nearest cm? Options:
  A) 12cm
  B) 20cm
  C) 23cm
  D) 60cm
  E) 80cm
  Show Answer
  The correct answer is C .