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 1:

  

  The solution set of the shaded area above is

  Options:
  A) y + x $\le$ 4, y $\ge$ x
  B) y $\le$ 0, y $\le$ x and y + x $\ge$ 4
  C) y $\ge$ x, y + x $\ge$ 4 and y $\le$ 0
  D) y $\ge$ x, y + x $\ge$ 4
  Show Answer
  The correct answer is C .
• Question 2: The weight of 10 pupils in a class are 15 kg, 16 kg, 17 kg, 18 kg, 16 kg, 17 kg, 17 kg, 17 kg, 18 kg, and 16 kg. What is the range of this distribution? Options:
  A) 4
  B) 3
  C) 1
  D) 2
  Show Answer
  The correct answer is B .
• Question 3:

  Given that A = {1, 5, 7}

  B = {3, 9, 12, 15}

  C = {2, 4, 6, 8}

  Find (A ∪ B) ∪ C

  Options:
  A) {1, 2, 3, 4, 5, 6, 7, 8, 9, 12, 15}
  B) {1, 2, 3, 5, 6, 8, 12, 15}
  C) {2, 4, 5, 9, 12, 15}
  D) {1, 5, 6, 7, 8, 9, 12, 15}
  Show Answer
  The correct answer is A .
• Question 4:
  

  In the diagram above, l₁ is parallel to l₂, Find the value of < PMT

  Options:
  A) 82^o
  B) 36^o
  C) 72^o
  D) 118^o
  Show Answer
  The correct answer is A .
• Question 5: Differentiate sin x - x cos x Options:
  A) x cos x
  B) x sin x
  C) -x cos x
  D) -x sin x
  Show Answer
  The correct answer is B .
• Question 6: What is the mean deviation of x, 2x, x+1 and 3x. If their mean is 2? Options:
  A) 0.5
  B) 1.0
  C) 1.5
  D) 2.0
  Show Answer
  The correct answer is A .
• Question 7: Differentiate (2x+5)²(x-4) with respect to x. Options:
  A) 4(2x+5)(x-4)
  B) 4(2x+5)(4x-3)
  C) (2x+5)(2x-13)
  D) (2x+5)(6x-11)
  Show Answer
  The correct answer is D .
• Question 8: Five years ago, a father was 3 times as old as his son, now their combined ages amount to 110years. thus, the present age of the father is Options:
  A) 75 years
  B) 60 years
  C) 98 years
  D) 80 years
  E) 105 years
  Show Answer
  The correct answer is D .
• Question 9: A number is selected at random between 20 and 30, both numbers inclusive. Find the probability that the number is a prime Options:
  A) $\frac{2}{11}$
  B) $\frac{5}{11}$
  C) $\frac{6}{11}$
  D) $\frac{8}{11}$
  Show Answer
  The correct answer is A .
• Question 10: Find the x and y intercepts of the graph of 3x - z $\le$ 9 Options:
  A) (3, -9)
  B) (-3, 9)
  C) (-3, -9)
  D) (-3, 0)
  Show Answer
  The correct answer is A .