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 31: At what real value of x do the curves whose equations are y = x³ + x and y = x² + 1 intersect? Options:
  A) -2
  B) 2
  C) -1
  D) 9
  E) 1
  Show Answer
  The correct answer is E .
• Question 32: A trader bought 100 oranges at 5 for N1.20, 20 oranges got spoilt and the remaining were sold at 4 for N1.50. Find the percentage gain or loss. Options:
  A) 30% gain
  B) 25% gain
  C) 30% loss
  D) 25% loss
  Show Answer
  The correct answer is B .
• Question 33:

  A bricklayer charges ₦1,500 per day for himself and ₦500 per day for his assistant. If a two bedroom flat was built for ₦95,000 and the bricklayer worked 10 days more than his assistant, how much did the assistant receive?

  Options:
  A) N20,000
  B) N28,000
  C) N31,200
  D) N41,000
  Show Answer
  The correct answer is A .
• Question 34:

  Find the polynomial if given q(x) = x${}^2$ - x - 5, d(x) = 3x - 1 and r(x) = 7.

  Options:
  A) 3x${}^3$ - 4x${}^2$ - 14x + 12
  B) 3x${}^2$ + 3x - 7
  C) 3x${}^3$ + 4x${}^2$ + 14x - 12
  D) 3x${}^2$ - 3x + 4
  Show Answer
  The correct answer is A .
• Question 35:

  

  PQRS is a desk of dimensions 2m $\times$ 0.8 which is inclined at 30${}^{\circ }$ to the horizontal. Find the inclination of the diagonal PR to the horizontal

  Options:
  A) 30${}^{\circ }$ 35'
  B) 30${}^{\circ }$ 32'
  C) 15${}^{\circ }$ 36'
  D) 10${}^{\circ }$
  E) 10${}^{\circ }$ 42'
  Show Answer
  The correct answer is E .
• Question 36:

  How many different 8 letter words are possible using the letters of the word SYLLABUS?

  Options:
  A) (8 - 1)!
  B) $\frac{8!}{2!}$
  C) $\frac{8!}{2!2!}$
  D) 8!
  Show Answer
  The correct answer is C .
• Question 37:

  

  In the figure, TSP = PRQ, QR = 8cm, PR = 6cm and ST = 12cm. Find the length SP.

  Options:
  A) 4cm
  B) 16cm
  C) 9cm
  D) 14cm
  E) Impossible, insufficient data
  Show Answer
  The correct answer is B .
• Question 38: Evaluate $\left|\begin{array}{ccc}2& 0& 5\\ 4& 6& 3\\ 8& 9& 1\end{array}\right|$ Options:
  A) 5y - 2x -18 = 0
  B) 102
  C) -102
  D) -42
  Show Answer
  The correct answer is C .
• Question 39: If two fair coins are tossed, what is the probability of getting at least one head? Options:
  A) $\frac{1}{4}$
  B) $\frac{1}{2}$
  C) 1
  D) $\frac{43}{78}$
  E) $\frac{3}{4}$
  Show Answer
  The correct answer is E .
• Question 40:

  Rationalise $\frac{2\sqrt{3}+\sqrt{5}}{\sqrt{5}-\sqrt{3}}$

  Options:
  A) (3 √ 15 +11) / 2
  B) 3 √ 15 -11
  C) (3 √ 15 -11) / 2
  D) 3 √ 15 +11
  Show Answer
  The correct answer is A .