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 2101: If log₅20 = x, find x Options:
  A) 1.761
  B) 1.354
  C) 1.861
  D) 2.549
  Show Answer
  The correct answer is C .
• Question 2102: The volume of a cone (s) of height 6cm and base radius 5cm is Options:
  A) 157cm³
  B) 155cm³
  C) 175cm³
  D) 145cm³
  Show Answer
  The correct answer is A .
• Question 2103:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 2104: The mean of the ages of ten secondary school pupils is 16 but when the age of their teacher is added to it the men becomes 19. Find the age of the teacher Options:
  A) 27
  B) 35
  C) 38
  D) 49
  Show Answer
  The correct answer is D .
• Question 2105: Simplify $\frac{5^x\times {25}^{x-1}}{{125}^{x-1}}$ Options:
  A) 5^{2x + 1}
  B) 5^{x + 1}
  C) 5^-5
  D) 5²
  E) 5³
  Show Answer
  The correct answer is C .
• Question 2106: 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 2107: A man bought a car for ₦800 and sold it for ₦520. Find his loss per cent Options:
  A) 15%
  B) 25%
  C) 35%
  D) 10%
  Show Answer
  The correct answer is C .
• Question 2108: A final examination requires that a student answer any 4 out of 6 questions. In how many ways can this be done? Options:
  A) 15
  B) 20
  C) 30
  D) 45
  Show Answer
  The correct answer is A .
• Question 2109: The sum of the interior angles of a polygon is a given as 1080^o. Find the number of the sides of the polygon. Options:
  A) 5
  B) 7
  C) 6
  D) 8
  Show Answer
  The correct answer is D .
• Question 2110:

  

  In the figure, XYZ is a triangle with XY = 5cm, XZ = 2cm and XZ is produced to E making the angle < YZE = 150${}^{\circ }$. If the angle XYZ = $\theta$, calculate the value of sin$\theta$

  Options:
  A) $\frac{3}{5}$
  B) $\frac{1}{2}$
  C) $\frac{2}{5}$
  D) $\frac{1}{5}$
  Show Answer
  The correct answer is D .