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 1981:

  Find the length of a chord 3cm from the centre of a circle of radius 5cm

  Options:
  A) 8cm
  B) 5.6cm
  C) 7cm
  D) 6.5cm
  Show Answer
  The correct answer is A .
• Question 1982: If x and y represent the mean and the median respectively of the following set of numbers 11, 12, 13, 14, 15, 16, 17, 18, 19, 21, find the $\frac{x}{y}$ correct to one decimal place Options:
  A) 18
  B) 15
  C) 1.0
  D) 5
  Show Answer
  The correct answer is C .
• Question 1983: Solve the equation: $\frac{1}{3}x$ + $\frac{2}{5}$ = $\frac{3}{4}x$ - $\frac{1}{6}$ Options:
  A) $\frac{17}{30}$
  B) $\frac{65}{102}$
  C) $\frac{25}{34}$
  D) $\frac{102}{75}$
  E) $\frac{34}{25}$
  Show Answer
  The correct answer is E .
• Question 1984: Simplify 1 - ($\frac{1}{7}$ x 3 $\frac{1}{2}$) $÷$ $\frac{3}{4}$ Options:
  A) 2
  B) $\frac{1}{3}$
  C) 1
  D) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1985:
  

  The histogram above shows the distribution of passengers in taxis of a certain motor park. How many taxis have more than 4 passengers

  Options:
  A) 16
  B) 17
  C) 14
  D) 15
  Show Answer
  The correct answer is B .
• Question 1986: The variance of x, 2x, 3x, 4x and 5x is Options:
  A) x√2
  B) 2x²
  C) x²
  D) 3x
  Show Answer
  The correct answer is B .
• Question 1987: A cone is formed by bending a sector of a circle having an angle of 210^o. Find the radius of the base of the cone if the diameter of the circle is 12cm. Options:
  A) 12cm
  B) 7.00cm
  C) 1.75cm
  D) 21cm
  E) 3.50cm
  Show Answer
  The correct answer is E .
• Question 1988: A chord 20cm long subtends an angle of 60° at the circumference of a circle, what is the diameter of the circle the nearest cm? Options:
  A) 12cm
  B) 20cm
  C) 23cm
  D) 60cm
  E) 80cm
  Show Answer
  The correct answer is C .
• Question 1989: The formula Q = 1.5 + 0.5n gives the cost Q(in Naira)of feeding n people one additional person Options:
  A) 350k
  B) 200k
  C) 150k
  D) 50k
  Show Answer
  The correct answer is B .
• Question 1990: If p + 1, 2P - 10, 1 - 4p²are three consecutive terms of an arithmetic progression, find the possible values of p Options:
  A) -4, 2
  B) -3, $\frac{4}{11}$
  C) -$\frac{4}{11}$, 2
  D) 5, -3
  Show Answer
  The correct answer is C .