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 11: If $\sqrt{x^2+9}$ = x + 1, solve for x Options:
  A) 5
  B) 4
  C) 3
  D) 2
  E) 1
  Show Answer
  The correct answer is B .
• Question 12:

  Solve for x and y respectively in the simultaneous equations -2x - 5y = 3, x + 3y = 0

  Options:
  A) -3, -9
  B) 9, -3
  C) -9,3
  D) 3, -9
  Show Answer
  The correct answer is C .
• Question 13:

  Find the equation of the line through (5,7) parallel to the line 7x + 5y = 12.

  Options:
  A) 5x + 7y = 20
  B) 7x + 5y = 70
  C) xy = 7
  D) 15x + 17y = 90
  Show Answer
  The correct answer is B .
• Question 14: Simplify P^-6 × P³ × P² ÷ P⁴ × P⁰ Options:
  A) p⁵
  B) p⁴
  C) p³
  D) p^-3
  E) p^-5
  Show Answer
  The correct answer is E .
• Question 15: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 16: Solve for (x, y) in the equation 2x + y = 4: x^2 + xy = -12 Options:
  A) (6, -8): (-2, 8)
  B) (3, -4): (-1, 4)
  C) (8, -4): (-1, 4)
  D) (-8, 6): (8, -2)
  E) (-4, 3): (4, -1)
  Show Answer
  The correct answer is A .
• Question 17:

  

  In the diagram are two concentric circles of radii r and R respectively with centre O. If r = $\frac{2}{5}$R, express the area of the shaded portion in terms of $\pi$ and R

  Options:
  A) $\frac{5}{9}\pi R^2$
  B) $\frac{21}{25}\pi R^2$
  C) $\frac{21}{23}\pi R^2$
  D) $\frac{9}{25}\pi R^2$
  Show Answer
  The correct answer is B .
• Question 18:

  

  The pie chart above shows the expenditure of a family whose income is N30.000. If the expenditure on food is twice that on housing and that on school fees is twice that on transport, how much does the family spend on food?

  Options:
  A) N28,000
  B) N12,500
  C) N15,000
  D) N25,000
  Show Answer
  The correct answer is B .
• Question 19:

  Which of the following values of the variable x, (a)x = 0, (b)x = -3, (c)x = 9, satisfy the inequalities 0 < $\frac{x+3}{x-1}$ < 2?

  Options:
  A) (a), (b), (c)
  B) (c)
  C) None of the choices
  D) All of the above
  Show Answer
  The correct answer is C .
• Question 20:

  

  In the diagram above calculate the value of x

  Options:
  A) 60${}^{\circ }$
  B) 100${}^{\circ }$
  C) 120${}^{\circ }$
  D) 140${}^{\circ }$
  Show Answer
  The correct answer is C .