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 151: If U = (s, p, i, e, n, d, o, u, r), X = (s, p, e, n, d) Y = (s, e, n, o, u), Z = (p, n, o, u, r) find X ∩ Y ∪ Z Options:
  A) (p, o, u, r)
  B) (s, p, d, r)
  C) (p, n, d)
  D) (n, d, u)
  Show Answer
  The correct answer is C .
• Question 152: In proving the congruence of two triangles, which of the following is not important? Options:
  A) two sides and the included angles
  B) two angles and a side
  C) three sides
  D) three angles
  E) right angle, hypotenuse and another side
  Show Answer
  The correct answer is B .
• Question 153:

  $\frac{\frac{2}{3}÷\frac{4}{5}}{\frac{1}{4}+\frac{3}{5}-\frac{1}{3}}$

  Options:
  A) $\frac{31}{50}$
  B) $\frac{20}{31}$
  C) $\frac{31}{20}$
  D) $\frac{50}{31}$
  Show Answer
  The correct answer is D .
• Question 154:

  A student is using a graduated cylinder to measure the volume of water and reports a reading of 18 mL. The teacher reports the value as 18.4 mL. What is the student's percent error?

  Options:
  A) 2.17%
  B) 1.73%
  C) 2.23%
  D) 1.96%
  Show Answer
  The correct answer is A .
• Question 155: If 2log₃ y + log₃ x² = 4, then y is Options:
  A) 4 - log₃
  B) $\frac{4}{lo{g}_{3}x}$
  C) $\frac{4}{x}$
  D) $\pm$ $\frac{9}{x}$
  Show Answer
  The correct answer is D .
• Question 156:

  Find T in terms of K, Q and S if S = 2r($\pi$QT + K)

  Options:
  A) $\frac{S^2}{2\pi r^{2}Q}-\frac{k}{Q}$
  B) $\frac{S^2}{4\pi r^{2}Q}$ - k
  C) $\frac{S^2}{4\pi r^{2}Q}-\frac{k}{Q}$
  D) $\frac{s^2}{4\pi r^{2}Q}$
  Show Answer
  The correct answer is B .
• Question 157: Find all values of x satisfying the inequality -11 $\le$ 4 - 3x $\le$ 28
  Options:
  A) -5 $\le$ x v 8
  B) 5 $\le$ x $\le$ 8
  C) -8 $\le$ x $\le$ 5
  D) -5 < x $\le$ 8
  Show Answer
  The correct answer is C .
• Question 158: Resolve $\frac{3}{x^2+x-2}$ into partial fractions Options:
  A) $\frac{1}{x-1}+\frac{1}{x+2}$
  B) $\frac{1}{x+1}+\frac{1}{x-2}$
  C) $\frac{1}{x+1}-\frac{1}{x-2}$
  D) $\frac{1}{x-2}+\frac{1}{x+2}$
  Show Answer
  The correct answer is A .
• Question 159: From a point P, the bearings of two points Q and R are N67⁰W and N23⁰E respectively. If the bearing of R from Q is N68⁰E and PQ = 150m, calculate PR Options:
  A) 120m
  B) 140m
  C) 150m
  D) 160m
  Show Answer
  The correct answer is C .
• Question 160: A survey of 100 students in an institution shows that 80 students speak Hausa and 20 students speak Igbo, while only 9 students speak both language. How many students speak neither Hausa nor Igbo? Options:
  A) orange
  B) 9
  C) 11
  D) 20
  Show Answer
  The correct answer is B .