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 781: A chord is drawn 5 cm away from the centre of a circle of radius 13 cm. Calculate the length of the chord. Options:
  A) 7 cm
  B) 9 cm
  C) 12 cm
  D) 24 cm
  Show Answer
  The correct answer is C .
• Question 782: Write down the number 0.0052048 correct to three significant figures Options:
  A) 0.005
  B) 0.0052
  C) 0.00520
  D) 5.2048
  E) 5204
  Show Answer
  The correct answer is C .
• Question 783: The locus of a dog tethered to a pole with a rope of 4m is a Options:
  A) circle with diameter 4m
  B) circle with radius 4m
  C) semi-circle with diameter 4m
  D) semi-circle with radius 4m
  Show Answer
  The correct answer is B .
• Question 784: Find the roots of the equation 10x² - 13x - 3 = 0 Options:
  A) x = $\frac{3}{5}$ or -$\frac{1}{2}$
  B) x = $\frac{3}{10}$ or -1
  C) x = $\frac{3}{10}$ or 1
  D) x = $\frac{1}{5}$ or $\frac{-3}{2}$
  E) x = -$\frac{1}{5}$ or $\frac{3}{2}$
  Show Answer
  The correct answer is E .
• Question 785: 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 786: If log₃18 + log₃3 - log₃x = 3, Find x. Options:
  A) 1
  B) 2
  C) o
  D) 3
  Show Answer
  The correct answer is B .
• Question 787: A solid metal cube of side 3 cm is placed in a rectangular tank of dimension 3, 4 and 5 cm. What volume of water can the tank now hold Options:
  A) 48 cm³
  B) 33 cm³
  C) 60 cm³
  D) 27 cm³
  Show Answer
  The correct answer is B .
• Question 788: Find the equation of a line parallel to y = -4x + 2 passing through (2,3) Options:
  A) y + 4x + 11 = 0
  B) y - 4x - 11 = 0
  C) y + 4x - 11 = 0
  D) y - 4x + 11 = 0
  Show Answer
  The correct answer is C .
• Question 789: Obtain a maximum value of the function f(x) x³ - 12x + 11 Options:
  A) -5
  B) -2
  C) 2
  D) 27
  Show Answer
  The correct answer is D .
• Question 790: The letters of the word MATRICULATION are cut and put into a box. One letter is drawn at random from the box. Find the probability of drawing a vowel Options:
  A) $\frac{7}{13}$
  B) $\frac{5}{13}$
  C) $\frac{6}{13}$
  D) $\frac{8}{13}$
  E) $\frac{4}{13}$
  Show Answer
  The correct answer is C .