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 1571:

  

  In the figure below, /MX/ = 8cm, /XN/ = 12cm, /NZ/ = 4cm and ∠ XMN = ∠ XZY. Calculate /YM/

  Options:
  A) 32 cm
  B) 24 cm
  C) 16 cm
  D) 12 cm
  Show Answer
  The correct answer is C .
• Question 1572:

  Let '*' and '^' be two binary operations such that a * b = a${}^2$b and a ^ b = 2a + b. Find (-4 * 2) ^ (7 * -1).

  Options:
  A) -49
  B) 64
  C) 113
  D) 15
  Show Answer
  The correct answer is D .
• Question 1573:

  A sector of circle of radius 7.2cm which substends an angle of 300${}^o$ at the centre is used to form a cone. What s the radius of the base of the cone?

  Options:
  A) 8cm
  B) 9cm
  C) 6cm
  D) 7cm
  Show Answer
  The correct answer is C .
• Question 1574:

  The table below is drawn for a graph y = x³ - 3x + 1.

  $\begin{array}{cccccccc}x& -3& -2& -1& 0& 1& 2& 3\\ y=x^3-3x+1& 1& -1& 3& 1& -1& 3& 1\end{array}$

  From x = -2 to x = 1, the graph crosses the x-axis in the range(s)

  Options:
  A) -1 < x < 0 and 0 < x < 1
  B) -2 < x < -1 and 0 < x < 1
  C) -2 < x < -1 and -1 < x < 0
  D) 0 < x < 1
  Show Answer
  The correct answer is B .
• Question 1575: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 1576: 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 1577: Simplify $\frac{9^{\frac{1}{3}}\times {27}^{-\frac{1}{3}}}{3^{-\frac{1}{6}}\times 3^{\frac{2}{3}}}$ Options:
  A) $\frac{1}{3}$
  B) 1
  C) 3
  D) 9
  Show Answer
  The correct answer is B .
• Question 1578: 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 1579: Simplify 27${}^{-\frac{1}{3}}$ $\times$ 64${}^{-\frac{1}{3}}$ $\times$ 4${}^{\frac{1}{3}}$ Options:
  A) 48
  B) 12
  C) $\frac{4}{3}$
  D) $\frac{1}{12}$
  E) $\frac{1}{48}$
  Show Answer
  The correct answer is D .
• Question 1580:

  Mr Adu spends his annual salary on food(f), rent(r), car maintenance, gifts(g), savings(s) and some miscellaneous (m) as indicate in the table below:

  F	R	C	G	S	M
  28%	15%	20%	14%	10%	13%

  If the above information is represented on a pie chart. What angle represents his spending on food?

  Options:
  A) 108.5
  B) 100.8
  C) 98.8
  D) 120.5
  Show Answer
  The correct answer is B .