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 881: Find the mean of the following 24.57, 25.63, 24.32, 26.01, 25.77 Options:
  A) 25.12
  B) 25.30
  C) 25.26
  D) 25.50
  E) 25.75
  Show Answer
  The correct answer is C .
• Question 882: Solve the simultaneous linear equations: 2x + 5y = 11, 7x + 4y = 2 Options:
  A) x = -8, y = 1
  B) x = -2, y = 4
  C) x = $\frac{-34}{27}$, y = $\frac{73}{27}$
  D) x = 7, y = -9
  Show Answer
  The correct answer is C .
• Question 883: Find the sum to infinity to the following series 3 + 2 + $\frac{4}{3}$ + $\frac{8}{9}$ + $\frac{16}{17}$ + ..... Options:
  A) 1270
  B) 190
  C) 18
  D) 9
  Show Answer
  The correct answer is D .
• Question 884:

  

  In the diagram MN is a chord of a circle KMN centre O and radius 10cm. If < MON = 140^o, find, correct to the nearest cm, the length of the chord MN.

  Options:
  A) 19cm
  B) 18cm
  C) 17cm
  D) 12cm
  Show Answer
  The correct answer is A .
• Question 885: In a school, there are 35 students in class 2A and 40 in class 2B. The mean score for class 2 in an English Literature examination is 60.0 and that for 2B in the same paper is 52.5. Find, to one place of decimal, the mean for the combined classes Options:
  A) 2.5
  B) 56.0
  C) 56.2
  D) 56.3
  E) 6.5
  Show Answer
  The correct answer is B .
• Question 886:

  What is the loci of a distance 4cm from a given point P?

  Options:
  A) A straight line of length 4cm
  B) a circle of radius 4cm
  C) perpendicular to point P at 4cm
  D) a circle of diameter 4cm
  Show Answer
  The correct answer is B .
• Question 887: Make x the subject of the equation
  s = 2 + $\frac{t}{5}$(x + ⅗y) Options:
  A) x = 5[(s − 2) ÷ t] + 3yt
  B) x = 25[(s − 2) ÷ t] − 3ty
  C) x = [1 ÷ (s − 2)3ty]
  D) x = [5(s − 2) 2 ÷ 3ty] × t
  Show Answer
  The correct answer is B .
• Question 888: Which of these angles can be constructed using ruler and a pair of compasses only? Options:
  A) 115^o
  B) 125^o
  C) 135^o
  D) 145^o
  Show Answer
  The correct answer is C .
• Question 889:

  

  In the diagram above, PQ is parallel to RS. What is the value of α + β + γ?

  Options:
  A) 360${}^{\circ }$
  B) 200${}^{\circ }$
  C) 180${}^{\circ }$
  D) 90${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 890: Evaluate x²(x² - 1)^{-$\frac{1}{2}$} - (x² - 1)^{$\frac{1}{2}$} Options:
  A) (x² - 1)^{-$\frac{1}{2}$}
  B) (x² - 1)¹
  C) (x² - 1)
  D) (x² - 1)^-1
  Show Answer
  The correct answer is A .