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 101: The area of the curved surface of the cone generated by the sector of a circle radius 6cm and are length 22cm is ($\pi$ = $\frac{22}{7}$) Options:
  A) 58 sq.cm
  B) 34 sq.cm
  C) 132 sq.cm
  D) 77 sq.cm
  E) 66 sq.cm
  Show Answer
  The correct answer is E .
• Question 102: If x³ - 12x - 16 = 0 has x = -2 as a solution then the equaion has Options:
  A) x = -4 as a solution also
  B) 3 roots all different
  C) 3 roots with two equal and the third different
  D) 3 roots all equal
  E) only one root
  Show Answer
  The correct answer is B .
• Question 103:

  

  In the figure, PQR is a straight line. Find the values of x and y.

  Options:
  A) x = 22.5${}^{\circ }$, y = 33.75${}^{\circ }$
  B) x = 15${}^{\circ }$, y = 52.5${}^{\circ }$
  C) x = 22.5${}^{\circ }$, y = 45.0${}^{\circ }$
  D) x = 56.25${}^{\circ }$, y = 11.5${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 104: If the quadratic function 3x² - 7x + R is a perfect square, find R Options:
  A) $\frac{49}{24}$
  B) $\frac{49}{12}$
  C) $\frac{49}{13}$
  D) $\frac{49}{3}$
  E) $\frac{49}{36}$
  Show Answer
  The correct answer is B .
• Question 105: If 2q3₅ = 77₈, find q Options:
  A) 2
  B) 1
  C) 4
  D) O
  Show Answer
  The correct answer is A .
• Question 106:

  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 107:

  $\frac{d}{dx}[\log (4x^3-2x)]$ is equal to

  Options:
  A) $\frac{12x-2}{4x^2}$
  B) $\frac{43x^2-2x}{7x}$
  C) $\frac{4x^2-2}{7x+6}$
  D) $\frac{12x^2-2}{4x^3-2x}$
  Show Answer
  The correct answer is D .
• Question 108: Simplify 4 √[(390695T− 8)½)] Options:
  A) 1/T
  B) 2T
  C) 5/T
  D) T/5
  Show Answer
  The correct answer is C .
• Question 109:

  Make q the subject of the formula in the equation $\frac{mn}{a^2}-\frac{pq}{b^2}=1$

  Options:
  A) $q=\frac{b^2(mn-a^2)}{a^{2}p}$
  B) $q=\frac{m^{2}n-a^2}{p^2}$
  C) $q=\frac{mn-2b^2}{a^2}$
  D) $q=\frac{b^2(n^2-m{a}^2)}{n}$
  Show Answer
  The correct answer is A .
• Question 110:

  If a fair coin is tossed 3 times, what is the probability of getting at least two heads?

  Options:
  A) $\frac{2}{3}$
  B) $\frac{4}{5}$
  C) $\frac{2}{5}$
  D) $\frac{1}{2}$
  Show Answer
  The correct answer is D .