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 811: In how many ways can 2 students be selected from a group of 5 students in a debating competition? Options:
  A) 25 ways
  B) 10 ways
  C) 15 ways
  D) 20 ways
  E) 16 ways
  Show Answer
  The correct answer is D .
• Question 812:
  

  The base in which the operation was performed was

  Options:
  A) 6
  B) 2
  C) 4
  D) 5
  Show Answer
  The correct answer is B .
• Question 813: A chord of a circle subtends an angle of 60${}^{\circ }$ at the length of a circle of radius 14 cm. Find the length of the chord Options:
  A) 7 cm
  B) 14 cm
  C) 21 cm
  D) 28 cm
  Show Answer
  The correct answer is B .
• Question 814:

  

  The pie chart above shows the statistical distribution of 80 students in five subjects in an examination. Calculate how many student offer Mathematics.

  Options:
  A) 30
  B) 11
  C) 50
  D) 20
  Show Answer
  The correct answer is B .
• Question 815:

  

  In the figure, if XZ is 10cm, calculate RY in cm.

  Options:
  A) 10
  B) 10(1 - $\frac{1}{\sqrt{3}}$)
  C) 10(1 - $\frac{1}{\sqrt{2}}$)
  D) 10[1 - $\sqrt{3}$]
  Show Answer
  The correct answer is B .
• Question 816: The sum of the first two terms of a geometric progression is x and sum of the last terms is y. If there are n terms in all, then the common ratio is Options:
  A) $\frac{x}{y}$
  B) $\frac{y}{x}$
  C) ($\frac{x}{y}$)^{$\frac{1}{n-2}$}
  D) ($\frac{y}{x}$)^{$\frac{1}{n-2}$}
  Show Answer
  The correct answer is D .
• Question 817: Find x if (x - 2)² = 1$\frac{7}{9}$ Options:
  A) $\frac{2}{3}$ or $\frac{2}{7}$
  B) 3$\frac{1}{3}$ or $\frac{2}{3}$
  C) 3$\frac{7}{9}$ or $\frac{2}{7}$
  D) 3$\frac{1}{3}$ or $\frac{7}{9}$
  E) $\frac{3}{7}$ or $\frac{2}{9}$
  Show Answer
  The correct answer is B .
• Question 818:

  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 819: The seconds term of a geometric series is 4 while the fourth term is 16. Find the sum of the first five terms Options:
  A) 60
  B) 62
  C) 54
  D) 64
  Show Answer
  The correct answer is B .
• Question 820: Find the value of $\frac{tan{60}^o-tan{30}^o}{tan{60}^o+tan{30}^o}$ Options:
  A) 1
  B) $\frac{1}{2}$
  C) $\frac{3}{\sqrt{3}}$
  D) $\frac{2}{\sqrt{3}}$
  Show Answer
  The correct answer is B .