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 201: A tax player is allowed $\frac{1}{8}$th of his income tax-free, and pays 20% on the remainder. If he pays ₦490.00 tax, what is his income? Options:
  A) ₦560.00
  B) ₦2,450.00
  C) ₦2,800.00
  D) ₦3,920.00
  Show Answer
  The correct answer is C .
• Question 202: Factory P produces 20,000 bags of cement per day while factory Q produces 15,000 bags per day. If P reduces production by 5% and Q increases production by 5%, determine the effective loss in the number of bags produced per day by the two factories Options:
  A) 250
  B) 750
  C) 1000
  D) 1250
  Show Answer
  The correct answer is A .
• Question 203: The probability of a student passing any examination is $\frac{2}{3}$. If the student takes three examinations, what is the probability that he will not pass any of them? Options:
  A) $\frac{2}{3}$
  B) $\frac{4}{9}$
  C) $\frac{8}{27}$
  D) $\frac{1}{27}$
  Show Answer
  The correct answer is D .
• Question 204: The mean of 2 - 4, 4 + t, 3 - 2t and t - 1 is Options:
  A) t
  B) -t
  C) 2
  D) -2
  Show Answer
  The correct answer is C .
• Question 205: Evaluate $\frac{(x-2)(x^2+3x-2)}{x^2-4}$ Options:
  A) 7
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is B .
• Question 206: 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 207: A ship sails a distance of 50km in the direction S50°E and then sails a distance of 50km in the direction ₦40°E. FInd the bearing of the ship from the original position. Options:
  A) S90°E
  B) ₦40°E
  C) S95°E
  D) ₦85°E
  Show Answer
  The correct answer is D .
• Question 208: If the price of oranges was raised by $\frac{1}{2}$k per orange. The number of oranges a customer can buy for ₦2.40 will be less by 16. What is the present price of an orange? Options:
  A) 2$\frac{1}{2}$
  B) $\frac{2}{15}$
  C) 5$\frac{1}{3}$
  D) 20
  Show Answer
  The correct answer is A .
• Question 209: Find the area bounded by the curve y = 3x${}^2$ - 2x + 1, the coordinates x = 1 and x = 3 and the x-axis Options:
  A) 24
  B) 22
  C) 21
  D) 20
  Show Answer
  The correct answer is D .
• Question 210: Factorize 4x² - 9y² + 20x + 25 Options:
  A) (2x -3y + 5)(2x - 3y - 5)
  B) (2x - 3y)(2x + 3y)
  C) (2x - 3y +5)(2x + 3y + 5)
  D) (2x + 5)(2x - 9y +5)
  Show Answer
  The correct answer is C .