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 2011:

  If given two points A(3, 12) and B(5, 22) on a x-y plane. Find the equation of the straight line with intercept at 2.

  Options:
  A) y = 5x + 2
  B) y = 5x + 3
  C) y = 12x + 2
  D) y = 22x + 3
  Show Answer
  The correct answer is A .
• Question 2012:

  How many times, correct to the nearest whole number, will a man run round a circular track of diameter 100m to cover a distance of 1000m?

  Options:
  A) 3
  B) 4
  C) 5
  D) 6
  Show Answer
  The correct answer is B .
• Question 2013:

  The mean age group of some students is 15years. When the age of a teacher, 45 years old, is added to the ages of the students, the mean of their ages become18 years. Find the number of students in the group.

  Options:
  A) 7
  B) 9
  C) 15
  D) 42
  Show Answer
  The correct answer is B .
• Question 2014: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 2015: Factorize 1 - (a - b)² Options:
  A) (1 - a - b)(1 - a + b)
  B) (1 + a - b)(1 - a + b)
  C) (1 - a + b)(1 - a + b)
  D) (1 + a + b)(1 + a + b)
  Show Answer
  The correct answer is B .
• Question 2016: The area of the curved surface of the cone generated by the sector of a circle radius 6cm and are length 22cm is ($\pi$ = $\frac{22}{7}$) Options:
  A) 58 sq.cm
  B) 34 sq.cm
  C) 132 sq.cm
  D) 77 sq.cm
  E) 66 sq.cm
  Show Answer
  The correct answer is E .
• Question 2017:

  The time taken to do a piece of work is inversely proportional to the number of men employed. if it takes 45 men to do a piece of work in 5 days, how long will it take 25 men?

  Options:
  A) 15 days
  B) 12 days
  C) 5 days
  D) 9 days
  Show Answer
  The correct answer is D .
• Question 2018: Evaluate $\frac{(0.5625{)}^2-(0.4375{)}^2}{0.04}$ Options:
  A) 0.131
  B) 3.11
  C) 3.12
  D) 3.13
  Show Answer
  The correct answer is D .
• Question 2019: A number is chosen at random from 10 to 30 both inclusive. What is the probability that the number is divisible by 3? Options:
  A) $\frac{2}{15}$
  B) $\frac{1}{10}$
  C) $\frac{1}{3}$
  D) $\frac{2}{5}$
  Show Answer
  The correct answer is C .
• Question 2020: $\left(\begin{array}{cc}-2& 1\\ 2& 3\end{array}\right)$ + $\left(\begin{array}{cc}p& q\\ r& s\end{array}\right)$ = $\left(\begin{array}{cc}1& 0\\ 0& 1\end{array}\right)$. What is the value of r? Options:
  A) -$\frac{1}{8}$
  B) $\frac{3}{8}$
  C) $\frac{5}{8}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is D .