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 61: Evaluate ${\int }_2^1$(3 - 2x)dx Options:
  A) 33m
  B) 5
  C) 2
  D) 6
  Show Answer
  The correct answer is C .
• Question 62: In one and a half hours, the minute hand of a clock rotates through an angle of Options:
  A) 90^o
  B) 180^o
  C) 640^o
  D) 450^o
  E) 540^o
  Show Answer
  The correct answer is E .
• Question 63: If x = (all prime factors of 44) and y = (all prime factors of 60), the elements of X ∪ Y and X ∩ Y respectively are Options:
  A) (2, 4, 3, 5, 11) and (4)
  B) (4, 3, 5, 11) and (3, 4)
  C) (2, 5, 11) and (2)
  D) (2, 3, 5, 11) and (2)
  Show Answer
  The correct answer is D .
• Question 64: In ∆MNO, MN = 6 units, MO = 4 units and NO = 12 units. If the bisector of and M meets NO at P, calculate NP. Options:
  A) 4.8 units
  B) 7.2 units
  C) 8.0 units
  D) 18.0 units
  Show Answer
  The correct answer is B .
• Question 65: P is a point on one side of the straight line UV and P moves in the same direction as UV. If the straight line ST is on the locus of P and angle VUS = 60°, find angle UST. Options:
  A) 310°
  B) 130°
  C) 80°
  D) 50°
  Show Answer
  The correct answer is B .
• Question 66:

  The number of goals scored by a football team in 20 matches is shown below:

  $\begin{array}{ccccccc}\text{No. of goals}& 0& 1& 2& 3& 4& 5\\ \text{No. of matches}& 3& 5& 7& 3& 1& 0\end{array}$

  What are the values of the mean and the mode respectively?

  Options:
  A) (1.75, 5)
  B) (1.75, 2)
  C) (1.75, 1)
  D) (65, 74)
  Show Answer
  The correct answer is B .
• Question 67: Solve the inequality -6(x + 3) $\le$ 4(x - 2) Options:
  A) x $\le$ 2
  B) x $\ge$ -1
  C) x $\ge$ -2
  D) x $\le$ -1
  Show Answer
  The correct answer is B .
• Question 68: Solve the following equations 4x - 3 = 3x + y = x - y = 3, 3x + y = 2y + 5x - 12 Options:
  A) x = 5, y = 2
  B) x = 2, y = 5
  C) x = 5, y = -2
  D) x = -2, y = -5
  E) x = -5, y = -2
  Show Answer
  The correct answer is A .
• Question 69: In a restaurant, the cost of providing a particular type of food is partly constant and partially inversely proportional to the number of people. If cost per head for 100 people is 30k and the cost for 40 people is 60k, Find the cost for 50 people? Options:
  A) 15k
  B) 20k
  C) 50k
  D) 40k
  E) 45k
  Show Answer
  The correct answer is C .
• Question 70:

  

  Triangle SPT is the solution of the linear inequalities

  Options:
  A) 2y - x - 2 ≤ 0, y + 2x + 2 ≥ 0, -2 ≤ x ≤ - 1
  B) -2 ≤ x ≤ 2, y ≥ 0, y + 2x + 2 ≤ 0, x ≤ 0
  C) 2y - x - 2 ≤ 0, y + 2x + 2 ≤ 0, y ≥ 0, x ≤ 0
  D) 2y - x - 2 ≥ 0, y + 2x + 2 ≤ 0, x ≤ 0
  Show Answer
  The correct answer is A .