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 1341: 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 1342: If s = (2 + 3t)(5t - 4), find $\frac{dy}{dx}$ when t = $\frac{4}{5}$ sec Options:
  A) 0 units per sec.
  B) 15 units per seconds
  C) 22 units per seconds
  D) 26 units per seconds
  Show Answer
  The correct answer is C .
• Question 1343: Two fair dice are tossed together once. What is the probability of getting a total of at least 9 from the outcome? Options:
  A) $\frac{1}{9}$
  B) $\frac{1}{6}$
  C) $\frac{5}{18}$
  D) $\frac{1}{3}$
  E) $\frac{13}{18}$
  Show Answer
  The correct answer is C .
• Question 1344: Find the minimum value of y = x² - 2x - 3 Options:
  A) 4
  B) 1
  C) -1
  D) -4
  Show Answer
  The correct answer is D .
• Question 1345:

  

  In the diagram, POS and ROT are straight lines, OPQR is a parallelogram. |OS| = |OT| and ∠OST = 50^o. Calculate ∠OPQ.

  Options:
  A) 160^o
  B) 140^o
  C) 120^o
  D) 100^o
  Show Answer
  The correct answer is D .
• Question 1346: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 1347:

  Marks	2	3	4	5	6	7	8
  No. of students	3	1	5	2	4	2	3

  From the table above, if the pass mark is 5, how many students failed the test?

  Options:
  A) 6
  B) 2
  C) 7
  D) 9
  Show Answer
  The correct answer is D .
• Question 1348:

  If a fair coin is tossed twice, what is the probability of obtaining at least one head?

  Options:
  A) 0.25
  B) 0.75
  C) 0.5
  D) 0.33
  Show Answer
  The correct answer is B .
• Question 1349: The quantity (x + y) is a factor of Options:
  A) x² + y²
  B) x³ - y³
  C) 2x² - 3xy + y² - x + 1
  D) 2x³ + 2x²y - xy + 3x - y² + 3y
  E) x⁵ - y⁵
  Show Answer
  The correct answer is D .
• Question 1350: Solve the equation (x - 2) (x - 3) = 12 Options:
  A) 2, 3
  B) 3, 6
  C) -1, 6
  D) 1, -6
  Show Answer
  The correct answer is C .