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 201: Find the angle subtended at the centre of a circle by a chord which is equal in length to the radius of the circle Options:
  A) 30^o
  B) 45^o
  C) 60^o
  D) 90^o
  Show Answer
  The correct answer is C .
• Question 202: W ∝ L² and W = 6 when L = 4. If L = √17 find W Options:
  A) 6⁷/₈
  B) 6⁵/₈
  C) 6³/₈
  D) 6¹/₈
  Show Answer
  The correct answer is C .
• Question 203: The diagonals of a rhombus are 6cm and 8cm. Find the area of the rhombus. Options:
  A) 96cm²
  B) 48cm²
  C) 24cm²
  D) 0.14cm²
  E) 12cm2
  Show Answer
  The correct answer is C .
• Question 204: Find the equation of the line through the points (-2, 1) and (-$\frac{1}{2}$, 4) Options:
  A) y = 2x - 3
  B) y = 2x + 5
  C) y = 3x - 2
  D) y = 2x + 1
  Show Answer
  The correct answer is B .
• Question 205: An arc subtends an angle of 50${}^{\circ }$ at the center of circle of radius 6cm. Calculate the area of the sector formed Options:
  A) ¹⁰⁰/₇
  B) ⁸⁰/₇
  C) ¹¹⁰/₇
  D) ⁹⁰/₇
  Show Answer
  The correct answer is C .
• Question 206: Find all real numbers x which satisfy the inequality $\frac{1}{3}$(x + 1) - 1 > $\frac{1}{5}$(x + 4)
  Options:
  A) x < 11
  B) x < -1
  C) x > 6
  D) x > 11
  Show Answer
  The correct answer is D .
• Question 207: In an acute angle-triangle XYZ, XZ = 9cm, YZ = 11cm and ∠XZY = 35° Calculate ∠YXZ, correct to the nearest degree. Options:
  A) 57°
  B) 45°
  C) 33°
  D) 16°
  E) 89°
  Show Answer
  The correct answer is E .
• Question 208: Simplify √30 × √40 Options:
  A) 10 √3
  B) 5 √3
  C) 20 √3
  D) 15 √3
  Show Answer
  The correct answer is C .
• Question 209: If 3 gallons of spirit containing 20% water are added to 5 gallons of another spirit containing 15% water, what percentage of the mixture is water? Options:
  A) 2$\frac{4}{5}$%
  B) 16$\frac{7}{8}$%
  C) 18$\frac{1}{8}$%
  D) 18$\frac{7}{8}$%
  Show Answer
  The correct answer is B .
• Question 210:

  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 .