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 1201: The cost of production of an article is made up as follows: Labour ₦70, Power ₦15, Materials ₦30, Miscellaneous ₦5. Find the angle of the sector representing Labour in a pie chart Options:
  A) 210^o
  B) 105^o
  C) 105^o
  D) 175^o
  E) 90^o
  Show Answer
  The correct answer is A .
• Question 1202:

  If sinθ = - $\frac{3}{5}$ andθ lies in the third quadrant, find cosθ

  Options:
  A) $\frac{4}{5}$
  B) - $\frac{5}{4}$
  C) $\frac{5}{4}$
  D) - $\frac{4}{5}$
  Show Answer
  The correct answer is D .
• Question 1203:

  find the limit of y = $\frac{x^3+6x-7}{x-1}$ as x tends to 1

  Options:
  A) 9
  B) 8
  C) 0
  D) 7
  Show Answer
  The correct answer is A .
• Question 1204: Simplify $\frac{1}{x-2}$ + $\frac{1}{x+2}$ + $\frac{2x}{x^2-4}$ Options:
  A) $\frac{2x}{(x-2)(x+2)(x^2-4)}$
  B) $\frac{2x}{x^2-4}$
  C) $\frac{x}{x^2-4}$
  D) $\frac{4x}{x^2-4}$
  Show Answer
  The correct answer is D .
• Question 1205: Factory P produces 20,000 bags of cement per day while factory Q produces 15,000 bags per day. If P reduces production by 5% and Q increases production by 5%, determine the effective loss in the number of bags produced per day by the two factories Options:
  A) 250
  B) 750
  C) 1000
  D) 1250
  Show Answer
  The correct answer is A .
• Question 1206:

  

  If O is the centre of the circle in the figure, find the value of x

  Options:
  A) 50
  B) 260
  C) 100
  D) 65
  E) 130
  Show Answer
  The correct answer is C .
• Question 1207: If log₂ y = 3 - log₂x $\frac{3}{2}$ find y when x = 4 Options:
  A) 8
  B) $\sqrt{65}$
  C) 4$\sqrt{2}$
  D) 3
  E) 1
  Show Answer
  The correct answer is E .
• Question 1208: What is the solution of $\frac{x-5}{x+3}<-1$? Options:
  A) -3 < x < 1
  B) x 1
  C) -3 < x < 5
  D) x 5
  Show Answer
  The correct answer is A .
• Question 1209: An arc of length 22cm subtends an angle of θ at the center of the circle. What is the value of θ if the radius of the circle is 15cm?[Take π = 22/7] Options:
  A) 70^o
  B) 84^o
  C) 96^o
  D) 156^o
  E) 168^o
  Show Answer
  The correct answer is B .
• Question 1210: Integrate $\frac{2x^3+2x}{x}$ with respect to x Options:
  A) $\frac{2x^3}{3}$ - 2x + k
  B) x³ + 2x + k
  C) $\frac{2x^3}{3}$ + 2x + k
  D) x³ - 2x + k
  Show Answer
  The correct answer is C .