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 1011:

  If x + y = 90, simplify (sinx + siny)²−2sinxsiny

  Options:
  A) 1
  B) 0
  C) 2
  D) -1
  Show Answer
  The correct answer is A .
• Question 1012: If $\frac{1+\sqrt{2}}{1-\sqrt{2}}$ is expressed in the form x + y$\sqrt{2}$. Find the values of x and y Options:
  A) (-3, -2)
  B) (-2, 3)
  C) (3, 2)
  D) (2, -3)
  Show Answer
  The correct answer is A .
• Question 1013: In how many ways can 6coloured chalks be arranged if 2 are same colour? Options:
  A) 60
  B) 120
  C) 240
  D) 360
  Show Answer
  The correct answer is D .
• Question 1014: Find the values of m which make the following quadratic function a perfect square. x² + 2(m + 1)x + m + 3 Options:
  A) -1, 1
  B) -1, 2
  C) 1, -2
  D) 2, -2
  Show Answer
  The correct answer is C .
• Question 1015: Simplify cos² x (sec²x + sec² x tan²x) Options:
  A) tan x
  B) tanx secx
  C) $\frac{1+ta{n}^{2}x}{se{c}^{2}x}$
  D) cosec²x
  Show Answer
  The correct answer is C .
• Question 1016: Find the equation of the locus of a point P(x,y) which is equidistant from Q(0,0) and R(2,1). Options:
  A) 4x + 2y = 5
  B) 4x - 2y = 5
  C) 2x + 2y = 5
  D) 2x + y = 5
  Show Answer
  The correct answer is A .
• Question 1017:

  The ages of students in a small primary school were recorded in the table below.

  Age	5 - 6	7 - 8	9 -10
  Frequency	29	40	38

  
  Estimate the mean

  Options:
  A) 7.7
  B) 7.5
  C) 7.8
  D) 7.6
  Show Answer
  The correct answer is A .
• Question 1018: A binary operation $\oplus$ om real numbers is defined by x $\oplus$ y = xy + x + y for two real numbers x and y. Find the value of 3 $\oplus$ - $\frac{2}{3}$. Options:
  A) - $\frac{1}{2}$
  B) $\frac{1}{3}$
  C) -1
  D) 2
  Show Answer
  The correct answer is B .
• Question 1019:

  The simple interest on ₦8550 for 3 years at x% per annum is ₦4890. Calculate the value of x to the nearest whole number.

  Options:
  A) 19%
  B) 20%
  C) 25%
  D) 16.3%
  Show Answer
  The correct answer is A .
• Question 1020:

  

  The figure below is a Venn diagram showing the elements arranged within sets A, B, C, $ϵ$.

  Use the figure to answer this question

  What is n(A U B)^c ?

  Options:
  A) 2
  B) 3
  C) 4
  D) 7
  Show Answer
  The correct answer is C .