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 1481:
  

  In the figure, find x

  Options:
  A) 40^o
  B) 55^o
  C) 50^o
  D) 60^o
  Show Answer
  The correct answer is A .
• Question 1482: Find the value of sin 45^o - cos 30^o Options:
  A) $\frac{2+\sqrt{6}}{4}$
  B) $\frac{\sqrt{2}+\sqrt{3}}{4}$
  C) $\frac{\sqrt{2}+\sqrt{3}}{6}$
  D) $\frac{\sqrt{2}-\sqrt{3}}{2}$
  Show Answer
  The correct answer is D .
• Question 1483: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1484: If 3^2y + 6(3^y) = 27. Find y Options:
  A) 3
  B) -1
  C) 2
  D) -3
  E) 1
  Show Answer
  The correct answer is E .
• Question 1485: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1486: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1487:

  A cylindrical tank has a capacity of 3080m${}^3$. What is the depth of the tank if the diameter of its base is 14m?

  Options:
  A) 25m
  B) 23m
  C) 22m
  D) 20m
  Show Answer
  The correct answer is D .
• Question 1488: Find the number of committees of three that can be formed consisting of two men and one woman from four men and three women Options:
  A) 3
  B) 6
  C) 18
  D) 24
  Show Answer
  The correct answer is C .
• Question 1489: The diagonals of a rhombus are 16cm and 30cm long. What is the perimeter of the rhombus Options:
  A) 68cm
  B) 72cm
  C) 80cm
  D) 88cm
  E) 92cm
  Show Answer
  The correct answer is A .
• Question 1490: Divide: ax^3x - 26x^2x + 156a^x - 216 by a^2x - 24a^x + 108 Options:
  A) a^x - 2
  B) a^x + 2
  C) a^x - 8
  D) a^x - 6
  Show Answer
  The correct answer is A .