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 41: express 62 $÷$ 3 as a decimal correct to 3 significant figures Options:
  A) 20.6
  B) 20.667
  C) 20.67
  D) 20.7
  Show Answer
  The correct answer is D .
• Question 42: A variable y is inversely proportional to x², when y = 10, x = 2. What is y when x = 10? Options:
  A) 2
  B) 4
  C) 100
  D) 0.4
  E) 0.1
  Show Answer
  The correct answer is D .
• Question 43: 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 44: 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 45: T varies inversely as the cube of R. When R = 3, T = $\frac{2}{81}$, find T when R = 2 Options:
  A) $\frac{1}{18}$
  B) $\frac{1}{12}$
  C) $\frac{1}{24}$
  D) $\frac{1}{6}$
  Show Answer
  The correct answer is B .
• Question 46: Find the value of P if the line joining (P, 4) and (6, -2) is perpendicular to the line joining (2, P) and (-1, 3). Options:
  A) 4
  B) 6
  C) 3
  D) zero
  Show Answer
  The correct answer is D .
• Question 47:
  

  The graph above depicts the performance ratings of two sports teams A and B in five different seasons

  In the last five seasons, what was the difference in the average performance ratings between Team B and Team A?

  Options:
  A) 1.2
  B) 6.4
  C) 4.6
  D) 1.8
  Show Answer
  The correct answer is A .
• Question 48:

  

  Use the graph of the curve y = f(x)to solve the inequality f(x) $\le$ 0

  Options:
  A) -1 $\ge$ x $\ge$ 1, x $\ge$ 2
  B) x $\le$ -1, 1 $\ge$ x $\ge$ 2
  C) x $\ge$ -1, 1 $\ge$ x $\ge$ 2
  D) x $\ge$ 2, -1 $\ge$ x $\ge$ 1
  Show Answer
  The correct answer is B .
• Question 49: Simplify 3(2ⁿ⁺¹) - 4(2^n-1) 2ⁿ⁺¹ - 2ⁿ Options:
  A) 2ⁿ⁺¹
  B) 2^n-1
  C) 4
  D) 1/4
  Show Answer
  The correct answer is C .
• Question 50: Evaluate ∫sin 3x dx Options:
  A) (2/3) cos 3x + c
  B) (1/3) cos 3x + c
  C) (-1/3) cos 3x + c
  D) (-2/3) cos 3x + c
  Show Answer
  The correct answer is C .