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 1801:

  Evaluate the following limit: $li{m}_{x\to 2}\frac{x^2+4x-12}{x^2-2x}$

  Options:
  A) 4
  B) 8
  C) 0
  D) 2
  Show Answer
  The correct answer is A .
• Question 1802: 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 1803: Evaluate correct to 4 decimal places 877.51 $\times$ 0.015 Options:
  A) 8.8415
  B) 12.4127
  C) 124.1265
  D) 12.44120
  E) 114.1265
  Show Answer
  The correct answer is B .
• Question 1804: A group of 14 children received the following scores in a reading test. 35, 35, 26, 26, 26, 29, 29, 29, 12, 25, 25, 25, 25, 17. What was the median score? Options:
  A) 29
  B) 26
  C) 24.4
  D) 25
  E) 23
  Show Answer
  The correct answer is B .
• Question 1805: If y = x² - 2x - 3, Find the least value of y and corresponding value of x Options:
  A) x = 3, y = 3
  B) x = 1, y = -3
  C) x = 4, y = 1
  D) x = 1, y = -4
  E) x = 2, y = -3
  Show Answer
  The correct answer is D .
• Question 1806: Add the same number to the numerator and denominator of $\frac{3}{18}$. If the resulting fraction is $\frac{1}{2}$, then the number added is Options:
  A) 13
  B) 14
  C) 15
  D) 12
  E) 11
  Show Answer
  The correct answer is D .
• Question 1807:

  Find the range of these fractions:

  1/6, 1/3, 3/2, 2/3, 8/9 and 4/3.

  Options:
  A) 3/4
  B) 5/6
  C) 7/6
  D) 4/3
  Show Answer
  The correct answer is D .
• Question 1808:
  

  Find the value of the angle marked x in the diagram above

  Options:
  A) 60${}^0$
  B) 45${}^0$
  C) 90${}^0$
  D) 30${}^0$
  Show Answer
  The correct answer is A .
• Question 1809: An arc of a circle subtends an angle 70^o at the centre. If the radius of the circle is 6cm, calculate the area of the sector subtended by the given angle.($\pi$ = $\frac{22}{7}$) Options:
  A) 22cm²
  B) 44cm²
  C) 66cm²
  D) 88cm²
  Show Answer
  The correct answer is A .
• Question 1810: Evaluate $\int \sin 2xdx$ Options:
  A) cos 2x + k
  B) $\frac{1}{2}$cos 2x + k
  C) $-\frac{1}{2}$cos 2x + k
  D) -cos 2x + k
  Show Answer
  The correct answer is C .