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 971: Given that p:q = $\frac{1}{3}$:$\frac{1}{2}$ and q:r = $\frac{2}{5}$, find p:r Options:
  A) 4:105
  B) 7:15
  C) 20:21
  D) 2:35
  E) 3:20
  Show Answer
  The correct answer is C .
• Question 972: Find the area of the curved surface of a cone whose base radius is 3cm and whose height is 4cm (π = 3.14) Options:
  A) 17.1cm²
  B) 27.2cm²
  C) 47.1cm²
  D) 37.3cm²
  Show Answer
  The correct answer is C .
• Question 973: A binary operation * is defined by a*b = a^b. If a*2 = 2-a, find the possible values of a. Options:
  A) 1, -1
  B) 1, 2
  C) 2, -2
  D) 1, -2
  Show Answer
  The correct answer is D .
• Question 974:

  If y = 8x${}^3$ - 3x${}^2$ + 7x - 1, find $\frac{{\mathrm{d}}^{2}y}{\mathrm{d}{x}^2}$.

  Options:
  A) 48x - 6
  B) 11x${}^2$ + 6x - 7
  C) 32x + 7
  D) 24x${}^2$ - 6x + 7
  Show Answer
  The correct answer is A .
• Question 975:

  Evaluate $\frac{2{\log }_{3}9\times {\log }_3{81}^{-2}}{{\log }_{5}625}$

  Options:
  A) 4
  B) -32
  C) -8
  D) 16
  Show Answer
  The correct answer is C .
• Question 976: Which of the following is a factor of rs + tr - pt - ps? Options:
  A) (p - s)
  B) (s - p)
  C) (r - p)
  D) (1 + p)
  Show Answer
  The correct answer is C .
• Question 977:

  If n(P) = 20 and n(Q) = 30 and n(PuQ) = 40, find the value n(PnQ)

  Options:
  A) 10
  B) 30
  C) 15
  D) 40
  Show Answer
  The correct answer is A .
• Question 978: The base of a pyramid is a square of side 8cm. If its vertex is directly above the centre, find the height, given that the edge is 4.3cm Options:
  A) 6cm
  B) 5cm
  C) 4cm
  D) 3cm
  Show Answer
  The correct answer is C .
• Question 979: Multiply x² + x + 1 by x² - x + 1 Options:
  A) x⁴ - x + x²
  B) x⁴ - x² + x²
  C) x⁴ + x² + 1
  D) x⁴ + x²
  Show Answer
  The correct answer is C .
• Question 980:

  Two numbers are respectively 35% and 80% more than a third number. The ratio of the two numbers is

  Options:
  A) 7 : 16
  B) 3 : 4
  C) 16 : 7
  D) 4 : 3
  Show Answer
  The correct answer is B .