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 2151:

  Find the area of a regular hexagon inscribed in a circle of radius 8cm

  Options:
  A) 16$\sqrt{3}$ cm²
  B) 96$\sqrt{3}$ cm²
  C) 192$\sqrt{3}$ cm²
  D) 16$\sqrt{3}$ cm²
  E) 33cm²
  Show Answer
  The correct answer is B .
• Question 2152:

  

  An unbiased die is rolled 100 times and the outcome is tabulated above.

  What is the probability of obtaining a 5?

  Options:
  A) 1/5
  B) 1/2
  C) 1/6
  D) 1/4
  Show Answer
  The correct answer is A .
• Question 2153: In a town of 6250 inhabitants, there were 62 births during 1984. Find the percentage birth rate. Options:
  A) 3%
  B) 1.0%
  C) 2.5%
  D) 5.40%
  Show Answer
  The correct answer is B .
• Question 2154: A solid sphere of radius 3cm, a solid right cone of radius 3cm and height 12cm and a solid right circular cycular of radius 3cm and height 4cm.Which of the following statements is true? Options:
  A) the volume of the sphere is greater than the volume of the cone
  B) the volume of the cone is less than the volume of the cylinder
  C) the total surface area of the cone is greater than that of the sphere
  D) The total surface area of the cylinder is less than that of the sphere
  E) the total sufeac area of the cone is equal to that of the cylinder
  Show Answer
  The correct answer is C .
• Question 2155: PQR is a triangle in which PQ = 10cm and QPR = 60^oS is a point equidistant from P and Q. Also S is a point equidistant from PQ and PR. If U is the foot of the perpendicular from S on PR, find the length SU in cm to one decimal place Options:
  A) 2.7
  B) 4.33
  C) 3.1
  D) 3.3
  Show Answer
  The correct answer is B .
• Question 2156: A trapezium has two parallel sides of length 5cm and 9cm. If the area is 21cm², find the distance between the parallel sides Options:
  A) 3 cm
  B) 4 cm
  C) 6 cm
  D) 7 cm
  Show Answer
  The correct answer is A .
• Question 2157: In a class of 40 students, 32 offer mathematics, 24 offer Physics, and 4 offer neither Mathematics nor Physics. How many offer both Mat
  ematics and Physics? Options:
  A) 20
  B) 16
  C) 8
  D) 4
  Show Answer
  The correct answer is A .
• Question 2158: The volume of a cone (s) of height 6cm and base radius 5cm is Options:
  A) 157cm³
  B) 155cm³
  C) 175cm³
  D) 145cm³
  Show Answer
  The correct answer is A .
• Question 2159: Differentiate sin x - x cos x Options:
  A) x cos x
  B) x sin x
  C) -x cos x
  D) -x sin x
  Show Answer
  The correct answer is B .
• Question 2160: The ratio of the areas of similar triangles is necessarily equal to Options:
  A) the ratio of the corresponding sides
  B) the ratio of the squares on corresponsing sides
  C) the ratio of the corresponding heights of the triangles
  D) half the ratio of the corresponding heights of the triangles
  E) the ratio of the corresponding bases to the heights of the triangles
  Show Answer
  The correct answer is C .