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 2051:

  Evaluate ∫${}_1^2$ $\frac{5}{x}$ dx

  Options:
  A) 1.47
  B) 2.67
  C) 3.23
  D) 3.47
  Show Answer
  The correct answer is D .
• Question 2052: Find ∫(x² + 3x − 5)dx Options:
  A) $\frac{x_3}{3}$ - $\frac{3x_2}{2}$ - 5x + k
  B) $\frac{x_3}{3}$ - $\frac{3x_2}{2}$ + 5x + k
  C) $\frac{x_3}{3}$ + $\frac{3x_2}{2}$ - 5x + k
  D) $\frac{x_3}{3}$ + $\frac{3x_2}{2}$ + 5x + k
  Show Answer
  The correct answer is C .
• Question 2053:

  A trader realises 10x - x${}^2$ Naira profit from the sale of x bags of corn. How many bags will give him the maximum profit?

  Options:
  A) 7
  B) 6
  C) 5
  D) 4
  Show Answer
  The correct answer is C .
• Question 2054: In proving the congruence of two triangles, which of the following is not important? Options:
  A) two sides and the included angles
  B) two angles and a side
  C) three sides
  D) three angles
  E) right angle, hypotenuse and another side
  Show Answer
  The correct answer is B .
• Question 2055: In a regular polygon, each interior angle doubles its corresponding exterior angle. Find the number of sides of the polygon. Options:
  A) 8
  B) 6
  C) 4
  D) 3
  Show Answer
  The correct answer is B .
• Question 2056: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 2057: Two triangles have the same areas if Options:
  A) two sides in one triangle are equal to two sides in the other
  B) three sides in one triangle are equal to three sides in the other
  C) two angles in the triangle are equal to two angles in the other
  D) three angles in one triangle are equal to three angles in the other
  E) one side and the opposite angle in one triangle are equal to one side and the opposite angle in the other
  Show Answer
  The correct answer is D .
• Question 2058:

  Simplify $\frac{0.0839\times 6.381}{5.44}$ to 2 significant figures.

  Options:
  A) 0.2809
  B) 2.51
  C) 3.5
  D) 0.098
  Show Answer
  The correct answer is D .
• Question 2059: 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 2060: $\text{If }\left|\begin{array}{cc}-x& 12\\ -1& 4\end{array}\right|=-12,\text{ find x}$ Options:
  A) -6
  B) -2
  C) 3
  D) 6
  Show Answer
  The correct answer is D .