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 1731: The first and last term of a linear sequence (AP) are 6 and 10 respectively. If the sum of the sequence is 40. Find the number of terms. Options:
  A) nth = 3
  B) nth = 4
  C) nth = 5
  D) nth = 6
  Show Answer
  The correct answer is C .
• Question 1732:

  

  Find the curved surface area of the frustrum in the figure.

  Options:
  A) 16$\pi \sqrt{10}$cm²
  B) 20$\pi \sqrt{10}$cm²
  C) 24$\pi \sqrt{10}$cm²
  D) 36$\pi \sqrt{10}$cm²
  Show Answer
  The correct answer is B .
• Question 1733: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1734:

  Evaluate log₅($y^2{x}^5÷125b^{\frac{1}{2}})$

  Options:
  A) 2 log₅y + 5log₅ y² − 3
  B) log₅ y² + 5log₅ x + 3
  C) 25log_y 5 + 3
  D) 2log₅y + 5log₅x − ½ log₅b −3
  Show Answer
  The correct answer is D .
• Question 1735: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 1736: How many sides has a regular polygon whose interior angle is 135^o Options:
  A) 12
  B) 10
  C) 9
  D) 8
  Show Answer
  The correct answer is D .
• Question 1737: 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 1738: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 1739:

  The slope of the tangent to the curve y = 3x² - 2x + 5 at the point (1, 6) is

  Options:
  A) 4
  B) 1
  C) 6
  D) 5
  Show Answer
  The correct answer is A .
• Question 1740: If y = x Sin x, find $\frac{dy}{dx}$ when x = $\frac{\pi }{2}$ Options:
  A) $\frac{-\pi }{2}$
  B) -1
  C) 1
  D) $\frac{\pi }{2}$
  Show Answer
  The correct answer is C .