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 121: Find the value of $\left|\begin{array}{ccc}0& 3& 2\\ 1& 7& 8\\ 0& 5& 4\end{array}\right|$ Options:
  A) 12
  B) 10
  C) -1
  D) -2
  Show Answer
  The correct answer is D .
• Question 122: 2x² + 11x² + 17x + 6 by 2x + 1 Options:
  A) x² + 5x + 6
  B) 2x² + 5x - 6
  C) 2x² + 5x + 6
  D) x² - 5x + 6
  Show Answer
  The correct answer is A .
• Question 123:

  Find the value of t, if the distance between the points P(3, 14) and Q(t, 5) is 9 units.

  Options:
  A) 3
  B) 2
  C) - 3
  D) - 2
  Show Answer
  The correct answer is C .
• Question 124:

  Find the smallest number by which 252 can be multiplied to obtain a perfect square

  Options:
  A) 2
  B) 3
  C) 5
  D) 7
  Show Answer
  The correct answer is D .
• Question 125:
  

  Find the value of the angle marked x in the diagram above

  Options:
  A) 60${}^0$
  B) 45${}^0$
  C) 90${}^0$
  D) 30${}^0$
  Show Answer
  The correct answer is A .
• Question 126: Find the gradient of a line which is perpendicular to the line with the equation 3x + 2y + 1 = 0 Options:
  A) $\frac{2}{3}$
  B) -$\frac{2}{3}$
  C) -$\frac{3}{2}$
  D) $\frac{4}{3}$
  Show Answer
  The correct answer is C .
• Question 127: Solve the inequality x² + 2x > 15.
  Options:
  A) x < -3 or x > 5
  B) -5 < x < 3
  C) x < 3 or x > 5
  D) x > 3 or x < -5
  Show Answer
  The correct answer is D .
• Question 128: If $\frac{1}{p}$ = $\frac{a^2+2ab+b^2}{a-b}$ and $\frac{l}{q}$ = $\frac{a+b}{a^2-2ab+b^2}$ Find $\frac{p}{q}$ Options:
  A) $\frac{a+b}{a-b}$
  B) $\frac{1}{a^2-b^2}$
  C) $\frac{a-b}{a+b}$
  D) a² - b²
  Show Answer
  The correct answer is B .
• Question 129: If temperature t is directly proportional to heat h, and when t = 20^oC, h = 50 J, find t when h = 60J Options:
  A) 24^oC
  B) 20^oC
  C) 34^oC
  D) 30^oC
  Show Answer
  The correct answer is A .
• Question 130: 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 .