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 1551: A binary operation ⊕ on real numbers is defined by x⊕y = xy + x + y for any two real numbers x and y. The value of (-³/₄)⊕6 is Options:
  A) ³/₄
  B) -⁹/₂
  C) ⁴⁵/₄
  D) -³/₄
  Show Answer
  The correct answer is A .
• Question 1552:

  Simplify 2log $\frac{2}{5}$ - log$\frac{72}{125}$ + log 9

  Options:
  A) 1 - 4 log3
  B) -1 + 2 log 3
  C) -1 + 5 log2
  D) 1 - 2log 2
  Show Answer
  The correct answer is D .
• Question 1553: In how many ways can the word MACICITA be arranged? Options:
  A) $\frac{8!}{2!}$
  B) $\frac{8!}{3!2!}$
  C) $\frac{8!}{2!2!2!}$
  D) 8!
  Show Answer
  The correct answer is C .
• Question 1554: The mean of the numbers 1.2, 1.0, 0.9, 1.4, 0.8, 0.8, 1.2 and 1.1 is Options:
  A) 1.5
  B) 0.8
  C) 1.0
  D) 1.02
  E) 1.05
  Show Answer
  The correct answer is E .
• Question 1555: Simplify $\frac{(a^2-\frac{1}{a})+(a^{\frac{4}{3}}+a^{\frac{2}{3}})}{a^2{\frac{1}{a}}^2}$ Options:
  A) a^{$\frac{2}{3}$}
  B) a^{-$\frac{1}{3}$}
  C) a2 + 1
  D) a
  E) a^{$\frac{1}{3}$}
  Show Answer
  The correct answer is E .
• Question 1556:

  

  FG is a given straight line and H is a fixed point. The construction marks shown in the diagram indicate the

  Options:
  A) perpendicular bisector of the line
  B) perpendicular bisector of th eline JK
  C) perpendicular bisector of the line HI
  D) perpendicular from H to the line FG
  Show Answer
  The correct answer is D .
• Question 1557: If n{A} = 6, n{B} = 5 and n{A ∩ B} = 2, find n{A ∪ B} Options:
  A) 7
  B) 8
  C) 9
  D) 13
  E) 15
  Show Answer
  The correct answer is C .
• Question 1558:

  

  The triangle POR is

  Options:
  A) an isosceles triange
  B) an obtuse angle
  C) a scalene triangle
  D) an equilateral triangle
  Show Answer
  The correct answer is A .
• Question 1559: Factorize a²x - b²y - b²x + a²y Options:
  A) (a - b)(x + y)
  B) (y - x)(a - b)(a + b)
  C) (x - y)(a - b)(a + b)
  D) (x + y)(a - b)(a + b)
  Show Answer
  The correct answer is D .
• Question 1560: What is the product of 2x² − x + 1 and 3 − 2x Options:
  A) 4x³ − 8x² + 5x + 3
  B) −4x³ + 8x² − 5x + 3
  C) −4x³ − 8x² + 5x + 3
  D) 4x³ + 8x² − 5x + 3
  Show Answer
  The correct answer is B .