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 1991: If the locus of the points which are equidistant from point P and Q meets line PQ at point N, then PN equals Options:
  A) NQ
  B) ¹/₄NQ
  C) 2NQ
  D) ¹/₂NQ
  Show Answer
  The correct answer is A .
• Question 1992:

  Find the roots of x³ - 2x² - 5x + 6 = 0

  Options:
  A) 1, -2, 3
  B) 1, 2, -3
  C) -1, -2, 3
  D) -1, 2, -3
  Show Answer
  The correct answer is A .
• Question 1993: If $\frac{(a^2{b}^{-3}c{)}^{\frac{3}{4}}}{a^{-1}{b}^4{c}^5}=a^p{b}^q{c}^r$ What is the value of p+2q? Options:
  A) (5/2)
  B) -(5/4)
  C) -(25/4)
  D) -10
  Show Answer
  The correct answer is D .
• Question 1994: Find the sum of the first twenty terms of the progression log a, log a², log a³..... Options:
  A) log a²⁰
  B) log a²¹
  C) log a²⁰⁰
  D) log a²¹⁰
  Show Answer
  The correct answer is D .
• Question 1995: If cos $\theta$ = $\frac{\sqrt{3}}{2}$ and $\theta$ is less than 90^o. Calculate cos$\frac{90-\theta }{si{n}^2\theta }$ Options:
  A) $\frac{4}{\sqrt{3}}$
  B) $\sqrt{\frac{3}{2}}$
  C) $\sqrt{\frac{76}{2}}$
  D) 4$\sqrt{\frac{76}{2}}$
  Show Answer
  The correct answer is A .
• Question 1996: Express 37.05 x 0.0042 in standard form Options:
  A) 15.561 x 10²
  B) 1.5561 x 10^-4
  C) 1.556 x 10^-1
  D) 1.5561 x 10¹
  E) 1.55 x 10¹
  Show Answer
  The correct answer is C .
• Question 1997:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1998: The sum of the interior angle of a regular polygon is 1800${}^{\circ }$. Calculate the size of one exterior angle of the polygon Options:
  A) 30${}^{\circ }$
  B) 24${}^{\circ }$
  C) 18${}^{\circ }$
  D) 12${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 1999:

  The volume of a cylinder whose height is 4cm and whose radius 5cm is equal to (π = 3.14)

  Options:
  A) 313cm²
  B) 145cm²
  C) 314cm²
  D) 214cm²
  Show Answer
  The correct answer is C .
• Question 2000: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .