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 311: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 312:

  

  Find the curved surface area of the frustrum in the figure.

  Options:
  A) 16$\pi \sqrt{10}$cm²
  B) 20$\pi \sqrt{10}$cm²
  C) 24$\pi \sqrt{10}$cm²
  D) 36$\pi \sqrt{10}$cm²
  Show Answer
  The correct answer is B .
• Question 313:

  

  The shaded portion in the graph above is represented by

  Options:
  A) y + x - x³ ≥ 0, y - x ≤ 0
  B) y - x + x³ ≥ 0, y - x ≤ 0
  C) y + x - x³ ≤ 0, y + x ≥ 0
  D) y - x + x³ ≤ 0, y + x ≥ 0
  Show Answer
  The correct answer is A .
• Question 314: Factorize $x^2-2x-15$ Options:
  A) (x + 3)²
  B) (x + 5)(x − 3)
  C) (x − 5)²
  D) (x − 5)(x + 3)
  Show Answer
  The correct answer is D .
• Question 315: Solve the inequality 2 - x > x².
  Options:
  A) x < -2 or x > 1
  B) x > 2 or x< -1
  C) -1 < x < 2
  D) -2 < x < 1
  Show Answer
  The correct answer is D .
• Question 316: If x + 2 and x - 1 are factors of the expression 1x³ + 2kx² + 24, find the values of 1 and K Options:
  A) 1 = -6, k = -9
  B) 1 = -2, k = 1
  C) k = -1, 1 = -2
  D) 1 = 0, k = 1
  E) k = 0,1 = 6
  Show Answer
  The correct answer is A .
• Question 317: Factorize 2y² - 15xy + 18x² Options:
  A) (2y - 3x) (y + 6x)
  B) (2y - 3x) (y - 6x)
  C) (2y + 3x) (y - 6x)
  D) (3y + 2x) (y - 6x)
  Show Answer
  The correct answer is B .
• Question 318:

  

  The pie chart shows the income of a civil servant in a month. If his monthly income is N600, find his monthly basic salary

  Options:
  A) N2000
  B) N2600
  C) N3100
  D) N3450
  Show Answer
  The correct answer is A .
• Question 319: Calculate the logarithm to base 9 of 3^-4 * 9² * (81)^-1 Options:
  A) 2
  B) zero
  C) -2
  D) -4
  Show Answer
  The correct answer is C .
• Question 320: If log₃x² = -8, what is x? Options:
  A) $\frac{1}{3}$
  B) $\frac{1}{9}$
  C) $\frac{1}{27}$
  D) $\frac{1}{81}$
  Show Answer
  The correct answer is D .