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 2521:

  

  In the diagram above, O is the centre of the circle, If < UOT = 70${}^{\circ }$ and < RST = 100${}^{\circ }$. Calculate < RUO

  Options:
  A) 20${}^{\circ }$
  B) 25${}^{\circ }$
  C) 50${}^{\circ }$
  D) 80${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 2522: If the first term of an AP is 1.2 and the common difference is also 2, what is the mean of the first five terms? Options:
  A) 2
  B) 4
  C) 6
  D) 8
  E) 10
  Show Answer
  The correct answer is C .
• Question 2523: Factorize abx² + 8y - 4bx - 2axy Options:
  A) (ax - 4)(bx - 2y)
  B) (ax + b)(x - 8y)
  C) (ax - 2y)(bx - 4)
  D) (bx - 4)(ax - 2y)
  E) (abx - 4)(x - 2y)
  Show Answer
  The correct answer is A .
• Question 2524: A group of 14 children children received the following scores in a reading test: 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score. Options:
  A) 29
  B) 26
  C) 24
  D) 25
  E) 23
  Show Answer
  The correct answer is B .
• Question 2525: The locus of a point which is equidistant from two given fixed points is the Options:
  A) perpendicular bisector of the straight line joining them
  B) parallel line to the straight line joining them
  C) transverse to the straight line joining them
  D) angle bisector of 90^o which the straight line joining them makes with the horizontal
  Show Answer
  The correct answer is A .
• Question 2526: Find the solution of the equation x + 2$\sqrt{x-8}$ = 0 Options:
  A) (4, 16)
  B) (2, 4)
  C) (4, 1)
  D) (1, 16)
  E) (16, 16)
  Show Answer
  The correct answer is A .
• Question 2527: The sum of the first n terms of the arithmetic progression 5, 11, 17, 23, 29, 35, ... is Options:
  A) n(3n - 0.5)
  B) n(3n + 2)
  C) n(3n + 2.5)
  D) n(3n + 5)
  Show Answer
  The correct answer is B .
• Question 2528: Simplify $\frac{1}{x^2+5x+6}$ + $\frac{1}{x^2+3x+2}$ Options:
  A) $\frac{x}{(x+2)(x-3)}$
  B) $\frac{2}{(x+5)(x-3)}$
  C) $\frac{2}{(x+1)(x+3)}$
  D) $\frac{2}{(x-1)(x-3)}$
  Show Answer
  The correct answer is C .
• Question 2529:

  If x = {n²+1:n is a positive integer and 1 $\le$ n $\le$ 5}, y = {5n:n is a positive integer and 1 $\le$ n $\le$ 5}, find x $\cap$ y.

  Options:
  A) {5,10}
  B) {5, 10, 15}
  C) {2, 5, 10}
  D) {5, 10, 15, 20}
  Show Answer
  The correct answer is A .
• Question 2530: A final examination requires that a student answer any 4 out of 6 questions. In how many ways can this be done? Options:
  A) 15
  B) 20
  C) 30
  D) 45
  Show Answer
  The correct answer is A .