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 401: The scores of set of final year students in the first semester examination in a paper are 41, 29, 55, 21, 47, 70, 70, 40, 43, 56, 73, 23, 50, 50. Find the median of the scores. Options:
  A) 47
  B) 50
  C) 48$\frac{1}{2}$
  D) 48
  E) 49
  Show Answer
  The correct answer is C .
• Question 402: Without using table, calculate the value of 1 + sec² 30^o Options:
  A) 2$\frac{1}{3}$
  B) $\frac{2}{15}$
  C) $\frac{5}{3}$
  D) 3$\frac{1}{2}$
  Show Answer
  The correct answer is A .
• Question 403: The expression ax² + bx + c equals 5 at x = 1. If its derivative is 2x + 1, what are the values of a, b, c respectively? Options:
  A) 1, 3, 1
  B) 1, 2, 1
  C) 2, 1, 1
  D) 1, 1, 3
  Show Answer
  The correct answer is D .
• Question 404: In base ten, the number 101101 (base 2) equals Options:
  A) 15
  B) 4
  C) 45
  D) 32
  E) 90
  Show Answer
  The correct answer is C .
• Question 405: A petrol attendant recorded the number of vehicles that bought petrol from him for -3 hours and recorded 12 cars and 27 buses. What is the probability that the next vehicle will be a bus? Options:
  A) $\frac{4}{39}$
  B) $\frac{4}{13}$
  C) $\frac{5}{13}$
  D) $\frac{6}{13}$
  E) $\frac{9}{13}$
  Show Answer
  The correct answer is E .
• Question 406:

  If 2x${}^2$ + x - 3 divides x - 2, find the remainder.

  Options:
  A) 7
  B) 3
  C) 5
  D) 6
  Show Answer
  The correct answer is A .
• Question 407:

  Simplify $(\sqrt[3]{64a^3}{)}^{-1}$

  Options:
  A) 4a
  B) 1/8a
  C) 8a
  D) 1/4a
  Show Answer
  The correct answer is D .
• Question 408:

  $\begin{array}{cccccc}\text{Age in years}& 13& 14& 15& 16& 17\\ \text{No. of students}& 3& 10& 30& 42& 15\end{array}$

  The frequency distribution above shows the ages of students in a secondary school. In a pie chart constructed to represent the data, the angles corresponding to the 15 years old is

  Options:
  A) 27^o
  B) 30^o
  C) 54^o
  D) 108^o
  Show Answer
  The correct answer is D .
• Question 409:
  

  The shaded portion in the venn diagram above represents?

  Options:
  A) F - (E n F) - (G n F)
  B) E' n F n G'
  C) E u F u G
  D) F
  Show Answer
  The correct answer is B .
• Question 410:

  The smallest number such that when it is divided by 3 has a remainder of 6 and when it is divided by 9, has a remainder of 7 is

  Options:
  A) 387
  B) 493
  C) 502
  D) 441
  E) 634
  Show Answer
  The correct answer is C .