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 1131:

  PQRS is a cyclic quadrilateral with PQ as diameter of the circle. If < PQS = 15^o, find < QRS

  Options:
  A) 75^o
  B) 37$\frac{1}{2}$^o
  C) 127$\frac{1}{2}$^o
  D) 105^o
  Show Answer
  The correct answer is D .
• Question 1132: 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 1133: On the pie chart, there are four sectors of which three angles are 45${}^{\circ }$, 90${}^{\circ }$ and 135${}^{\circ }$. If the smallest sector represents N28.00, how much is the largest sector? Options:
  A) N96.00
  B) N84.00
  C) N48.00
  D) N42.00
  Show Answer
  The correct answer is B .
• Question 1134:

  Find the polynomial if given q(x) = x${}^2$ - x - 5, d(x) = 3x - 1 and r(x) = 7.

  Options:
  A) 3x${}^3$ - 4x${}^2$ - 14x + 12
  B) 3x${}^2$ + 3x - 7
  C) 3x${}^3$ + 4x${}^2$ + 14x - 12
  D) 3x${}^2$ - 3x + 4
  Show Answer
  The correct answer is A .
• Question 1135:

  This table below gives the scores of a group of students in a Further Mathematics Test.

  Score	1	2	3	4	5	6	7
  Frequency	4	6	8	4	10	6	2

  Find the mode of the distribution.

  Options:
  A) 7
  B) 10
  C) 5
  D) 4
  Show Answer
  The correct answer is C .
• Question 1136:

  Find the area and perimeter of a square whose length of diagonals is 20$\sqrt{2}$ cm.

  Options:
  A) 800 cm${}^2$, 80 cm
  B) 400 cm, 80 cm${}^2$
  C) 80 cm, 800 cm${}^2$
  D) 400 cm${}^2$, 80 cm
  Show Answer
  The correct answer is D .
• Question 1137: a binary operation $\oplus$ o the set of rational numbers is defined as x $\oplus$ y = $\frac{x^2-y^2}{2xy}$. Find -5 $\oplus$ 3 Options:
  A) $\frac{8}{15}$
  B) -$\frac{17}{15}$
  C) $\frac{17}{15}$
  D) $\frac{8}{-15}$
  Show Answer
  The correct answer is D .
• Question 1138: Evaluate ∫2(2x-3)^2/3dx Options:
  A) 3/5(2x-3)^5/3 + k
  B) 6/5(2x-3)^5/3 + k
  C) 2x-3+k
  D) 2(2x-3)+k
  Show Answer
  The correct answer is A .
• Question 1139:

  Find the solution of the equation x - 8$\sqrt{x}$ + 15 = 0

  Options:
  A) 3, 5
  B) -3, -5
  C) 9, 25
  D) -9, 25
  Show Answer
  The correct answer is C .
• Question 1140: The gradient of the straight line joining the points P(5, -7) and Q(-2, -3) is Options:
  A) $\frac{1}{2}$
  B) $\frac{2}{5}$
  C) $-\frac{4}{7}$
  D) $-\frac{2}{3}$
  Show Answer
  The correct answer is C .