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 1: If $\frac{3e+f}{3f-e}$ = $\frac{2}{5}$, find the value of $\frac{e+3f}{f-3e}$ Options:
  A) $\frac{5}{2}$
  B) 1
  C) $\frac{26}{7}$
  D) $\frac{1}{3}$
  Show Answer
  The correct answer is C .
• Question 2: Calculate the range of 20, -6, 25, 30, 21, 28, 32, 33, 34, 5, 3, 2, and 1. Options:
  A) 32
  B) 36
  C) 33
  D) 40
  Show Answer
  The correct answer is D .
• Question 3: Three children shared a basket of mangoes in such a way that the first child took $\frac{1}{4}$ of the mangoes and the second $\frac{3}{4}$ of the remainder. What fraction of the mangoes did the third child take? Options:
  A) $\frac{3}{16}$
  B) $\frac{7}{16}$
  C) $\frac{9}{16}$
  D) $\frac{13}{16}$
  Show Answer
  The correct answer is A .
• Question 4: Simplify 2$\frac{5}{12}$ - 1$\frac{7}{8}$ x $\frac{6}{5}$ Options:
  A) $\frac{1}{6}$
  B) $\frac{13}{20}$
  C) $\frac{11}{30}$
  D) $\frac{9}{4}$
  E) $\frac{5}{3}$
  Show Answer
  The correct answer is A .
• Question 5:

  The number of goals scored by a football team in 20 matches is shown below:

  $\begin{array}{ccccccc}\text{No. of goals}& 0& 1& 2& 3& 4& 5\\ \text{No. of matches}& 3& 5& 7& 3& 1& 0\end{array}$

  What are the values of the mean and the mode respectively?

  Options:
  A) (1.75, 5)
  B) (1.75, 2)
  C) (1.75, 1)
  D) (65, 74)
  Show Answer
  The correct answer is B .
• Question 6: Twenty girls and y boys sat on an examination. The mean marks obtained by the girls and boys were 52 and 57 respectively. if the total score for both girls and boys was 2950, find y. Options:
  A) 51
  B) 48
  C) 30
  D) 25
  E) 18
  Show Answer
  The correct answer is C .
• Question 7:

  

  In the figure, 0 is the centre of circle PQRS and PS//RT. If PRT = 135, then PSO is

  Options:
  A) 67$\frac{1}{2}$${}^{\circ }$
  B) 22$\frac{1}{2}$${}^{\circ }$
  C) 33$\frac{1}{2}$${}^{\circ }$
  D) 45${}^{\circ }$
  E) 90${}^{\circ }$
  Show Answer
  The correct answer is D .
• Question 8: If -8, m, n, 19 are in arithmetic progression, find (m, n) Options:
  A) 1, 10
  B) 2, 10
  C) 3, 13
  D) 4, 16
  Show Answer
  The correct answer is A .
• Question 9: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 10: x is directly proportional to y and inversely proportional to z. If x = 9 when y = 24 and z = 8, what is the value of x when y = 5 and z = 6? Options:
  A) $\frac{5}{6}$
  B) 11
  C) 3$\frac{3}{5}$
  D) 2$\frac{1}{2}$
  E) 1$\frac{1}{5}$
  Show Answer
  The correct answer is D .