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 1841: Determine the maximum value of y = 3x² - x³ Options:
  A) zero
  B) 2
  C) 4
  D) 6
  Show Answer
  The correct answer is C .
• Question 1842: What is the value of p if the gradient of the line joining (-1,p) and (p, 4) is

  2

  3

  ? Options:
  A) -2
  B) -1
  C) 1
  D) 2
  Show Answer
  The correct answer is D .
• Question 1843: Find the sum of the first 20 terms of the series 8, 12, 16, ....., 96 Options:
  A) 1400
  B) 1040
  C) 960
  D) 920
  Show Answer
  The correct answer is B .
• Question 1844: In a school, there are 35 students in class 2A and 40 in class 2B. The mean score for class 2 in an English Literature examination is 60.0 and that for 2B in the same paper is 52.5. Find, to one place of decimal, the mean for the combined classes Options:
  A) 2.5
  B) 56.0
  C) 56.2
  D) 56.3
  E) 6.5
  Show Answer
  The correct answer is B .
• Question 1845: Find the angle subtended at the centre of a circle by a chord which is equal in length to the radius of the circle Options:
  A) 30^o
  B) 45^o
  C) 60^o
  D) 90^o
  Show Answer
  The correct answer is C .
• Question 1846:

  Find the range of values of t which satisfies the inequality.

  2t − 1 $\le$ 3 and 2− t $\ge$ 5

  Options:
  A) -3 $\le$ t $\le$ 1
  B) -2 $\le$ t $\le$ 3
  C) -3 $\le$ t $\le$ 4
  D) -3 $\le$ t $\le$ 2
  Show Answer
  The correct answer is D .
• Question 1847: In a racing competition, Musa covered a distance 5x km in the first hour and (x + 10)km in the next hour. He was second to Nzozi who covered a total distance of 118km in the two hours. Which of the following inequalities is correct?
  Options:
  A) -1 < x < x < 0
  B) -3 < x < 3
  C) 0 $\le$ x < 18
  D) 15 < x < 18
  Show Answer
  The correct answer is C .
• Question 1848:

  Simplify $\frac{3}{5}$ $÷$ ($\frac{2}{7}$ x $\frac{4}{3}$ $÷$ $\frac{4}{9}$)

  Options:
  A) $\frac{6}{7}$
  B) $\frac{4}{5}$
  C) $\frac{7}{10}$
  D) $\frac{21}{6}$
  Show Answer
  The correct answer is C .
• Question 1849: A student blows a balloon and its volume increases at a rate of $\pi$(20 - t²)cm³S^-1 after t seconds. If the initial volume is 0 cm³, find the volume of the balloon after 2 seconds Options:
  A) 37.00$\pi$
  B) 37.33$\pi$
  C) 40.00$\pi$
  D) 42.67$\pi$
  Show Answer
  The correct answer is B .
• Question 1850: If two angles of a triangle are 30^o each and the longest side is 10cm. Calculate the length of each of the other sides Options:
  A) 5cm
  B) 4cm
  C) 3√3 cm
  D) 10$\frac{3}{3}$cm
  Show Answer
  The correct answer is D .