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 1851:

  

  In the diagram, EFGH is a circle centre O. FH is a diameter and GE is a chord which meets FH at right angle at the point N. If NH = 8cm and EG = 24cm, calculate FH

  Options:
  A) 32cm
  B) 26cm
  C) 20cm
  D) 16cm
  Show Answer
  The correct answer is B .
• Question 1852: Given that for sets A and B, in a universal set E, A $\subseteq$ B then A $\cap$(A $\cap$ B)¹ is Options:
  A) A
  B) $\varphi$
  C) B
  D) E
  Show Answer
  The correct answer is B .
• Question 1853:

  

  Triangle SPT is the solution of the linear inequalities

  Options:
  A) 2y - x - 2 $\le$ 0, y + 2x + 2 $\ge$ 0, x $\ge$ 0
  B) 2y - x - 2 $\ge$ 0, y + 2x + 2 $\le$ 0, -2 $\ge$ x $\ge$ -1
  C) -2 $\ge$ x $\ge$ 2, y $\le$ 0, y + 2x + 2 $\ge$ 0, x $\ge$ 0
  D) 2y - x - 2 $\ge$ 0, y + 2x + 2 $\ge$ 0, y $\le$ 0, x $\ge$ 0
  Show Answer
  The correct answer is C .
• Question 1854: If y = x(x4 + x + 1), evaluate ∫${}_0^1$ ydx Options:
  A) $\frac{11}{12}$
  B) $\frac{11}{16}$
  C) $\frac{5}{6}$
  D) zero
  Show Answer
  The correct answer is D .
• Question 1855:

  Factorize completely 81a${}^4$ - 16b${}^4$

  Options:
  A) (3a + 2b)(2a - 3b)(9a² + 4b²)
  B) (3a - 2b)(2a - 3b)(4a² - 9b²)
  C) (3a - 2b)(3a + 2b)(9a² + 4b²)
  D) (6a - 2b)(8a - 3b)(4a³ - 9b²)
  Show Answer
  The correct answer is C .
• Question 1856: if x : y = 5 : 12 and z = 52cm, find the perimeter of the triangle Options:
  A) 68cm
  B) 84cm
  C) 100cm
  D) 120cm
  Show Answer
  The correct answer is D .
• Question 1857: In proving the congruence of two triangles, which of the following is not important? Options:
  A) two sides and the included angles
  B) two angles and a side
  C) three sides
  D) three angles
  E) right angle, hypotenuse and another side
  Show Answer
  The correct answer is B .
• Question 1858: A man bought wrist watch for ₦150 but was only able to sell it for ₦120. Find the loss per cent on the transaction Options:
  A) 25%
  B) 11%
  C) 20%
  D) 80%
  E) 30%
  Show Answer
  The correct answer is C .
• Question 1859: Given that (3 - y) ÷ 2x = (6y + 7) ÷ (4x - 5), find the value of x when y = 2 Options:
  A) $\frac{64}{5}$
  B) 6
  C) $\frac{5}{34}$
  D) $\frac{-5}{34}$
  E) $\frac{-64}{5}$
  Show Answer
  The correct answer is D .
• Question 1860: The surface area of a sphere is 616m2. what is the volume of-the sphere (correct to two significant figures)? (take π = 3.142) Options:
  A) 14 cm${}^3$
  B) 210 cm${}^3$
  C) 1,400 cm${}^3$
  D) 2,100 cm${}^3$
  E) 4,300 cm${}^3$
  Show Answer
  The correct answer is C .