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 2081: A container has 30 gold medals, 22 silver medals and 18 bronze medals. If one medals is selected at the random from the container, what is the probability that it is not a gold medal? Options:
  A) 9/35
  B) 11/35
  C) 4/7
  D) 3/7
  Show Answer
  The correct answer is C .
• Question 2082: Find the sum to infinity of the series $2+\frac{3}{2}+\frac{9}{8}+\frac{27}{32}+......$ Options:
  A) 1
  B) 2
  C) 8
  D) 4
  Show Answer
  The correct answer is C .
• Question 2083: A public car dealer marked up the cost of a car at 30% in an attempt to make 20% gross profit. Due to the value of dollar, he now placed 20% discount on the car. What profit or loss will he make? Options:
  A) 3%
  B) 2%
  C) 4%
  D) 1%
  Show Answer
  The correct answer is C .
• Question 2084: A quadratic equation with roots -1$\frac{1}{2}$ and $\frac{1}{4}$ is Options:
  A) x² + 3x + 4 = 0
  B) 8x² + 10x + 3 = 0
  C) 8x² +12x – 3 = 0
  D) 8x² + 10x-3.= 0
  E) 8x² + 12x + 3 = 0
  Show Answer
  The correct answer is D .
• Question 2085:

  This table below gives the scores of a group of students in a Further Mathematics Test.

  Score	1	2	3	4	5	6	7
  Frequency	4	6	8	4	10	6	2

  Find the mode of the distribution.

  Options:
  A) 7
  B) 10
  C) 5
  D) 4
  Show Answer
  The correct answer is C .
• Question 2086:

  What is the rate of change of the volume Vof a hemisphere with respect to its radius r when r = 2?

  Options:
  A) 8π
  B) 16π
  C) 2π
  D) 4π
  Show Answer
  The correct answer is A .
• Question 2087: If w varies inversely as V and U varies directly as w³, Find the relationship between u and v given that u = 1, when v = 2 Options:
  A) u = $\frac{8}{v^3}$
  B) v = $\frac{8}{u^2{v}^3}$
  C) u = 8v³
  D) v = 8u²
  Show Answer
  The correct answer is A .
• Question 2088: A senatorial candidate had planned to visit seven cities prior to a primary election. However, he could only visit four of the cities. How many different itineraries could be considered? Options:
  A) 640
  B) 840
  C) 520
  D) 920
  Show Answer
  The correct answer is B .
• Question 2089: If 9^{(x - $\frac{1}{2}$)} 3x² Options:
  A) $\frac{1}{2}$
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 2090: Simplify $\frac{2\sqrt{2}-\sqrt{3}}{\sqrt{2}+\sqrt{3}}$ Options:
  A) 3$\sqrt{6}-7$
  B) 3$\sqrt{6}-7$
  C) 3$\sqrt{6}-1$
  D) 3$\sqrt{6}+1$
  Show Answer
  The correct answer is A .