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 1231:

  Find the range of values of x which satisfies the inequality 12x² < x + 1.

  Options:
  A) -$\frac{1}{4}$ < x < $\frac{1}{3}$
  B) $\frac{1}{4}$ < x < -$\frac{1}{3}$
  C) -$\frac{1}{3}$ < x < $\frac{1}{4}$
  D) -$\frac{1}{4}$ < x < - $\frac{1}{3}$
  Show Answer
  The correct answer is A .
• Question 1232: If ^dy/_dx = x + cos x, find y Options:
  A) x² - sin x + c
  B) x² + sin x + c
  C) ^x2/₂ - sin x + c
  D) ^x2/₂ + sin x + c
  Show Answer
  The correct answer is D .
• Question 1233:

  A chord of a circle radius $\sqrt{3cm}$ subtends an angle of 60${}^{\circ }$ on the circumference of he circle. Find the length of the chord

  Options:
  A) $\frac{\sqrt{3}}{2}$
  B) $\frac{3}{2}$
  C) 3
  D) $\sqrt{3}$cm
  Show Answer
  The correct answer is D .
• Question 1234: Factorize completely y³ -4xy + xy³ - 4y Options:
  A) (y + ay)(y + 2)(y - 2)
  B) (y - xy)(y - 2)
  C) y(1 + x)(y + 2)(y -2)
  D) y(1 - x)(y + 2)(y - 2)
  Show Answer
  The correct answer is C .
• Question 1235: A cuboid has a diagonal of length 9cm and a square base of side 4cm. What is its height? Options:
  A) 9cm
  B) $\sqrt{65}$cm
  C) 4$\sqrt{2}$cm
  D) 7cm
  E) 6.5cm
  Show Answer
  The correct answer is B .
• Question 1236: A 5.0g of salt was weighted by Tunde as 5.1g. What is the percentage error? Options:
  A) 20
  B) 2
  C) 1.1
  D) 0.2
  Show Answer
  The correct answer is B .
• Question 1237: Find the gradient of a line which is perpendicular to the line with the equation 3x + 2y + 1 = 0 Options:
  A) ³/₂
  B) ²/₃
  C) -²/₃
  D) -³/₂
  Show Answer
  The correct answer is B .
• Question 1238:

  

  Find the area of the shades segments in the figure.

  Options:
  A) $\sqrt{3}$
  B) 4 $\pi -\sqrt{3}$
  C) -$\frac{2}{3}\pi$
  D) $\frac{2\pi }{3}$ -3
  Show Answer
  The correct answer is D .
• Question 1239: A man invests a sum of money at 4% per annum simple interest. After 3 years, the principal amounts to ₦7,000.00. Find the sum invested. Options:
  A) ₦7,840.00
  B) ₦6,250.00
  C) ₦6,160.00
  D) ₦5,833.33
  Show Answer
  The correct answer is B .
• Question 1240: Simplify $\sqrt{48}$ - $\frac{9}{\sqrt{3}}$ + $\sqrt{75}$ Options:
  A) 5√3
  B) 6√3
  C) 8√3
  D) 18√3
  Show Answer
  The correct answer is B .