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 1:

  

  The people in a city with a population of 0.9 million were grouped according to their ages. Use the diagram to determine the number of people in the 15 - 29 years group

  Options:
  A) 29 x 10⁴
  B) 26 x 10⁴
  C) 16 x 10⁴
  D) 13 x 10⁴
  Show Answer
  The correct answer is B .
• Question 2: The locus of a point P which is equidistant from two given points S and T is Options:
  A) the perpendicular bisector of ST
  B) the angle bisector of PS and ST
  C) a perpendicular to ST
  D) a line parallel to ST
  Show Answer
  The correct answer is A .
• Question 3: 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 4: For what values of x is the curve y = $\frac{x^2+3}{x+4}$ decreasing?
  Options:
  A) -3 < x $\le$ 0
  B) -3 $\ge$ x < 0
  C) 0 < x < 3
  D) 0 $\le$ x $\le$ 3
  Show Answer
  The correct answer is D .
• Question 5: Simplify $\frac{1}{x-2}$ + $\frac{1}{x+2}$ + $\frac{2x}{x^2-4}$ Options:
  A) $\frac{2x}{(x-2)(x+2)(x^2-4)}$
  B) $\frac{2x}{x^2-4}$
  C) $\frac{x}{x^2-4}$
  D) $\frac{4x}{x^2-4}$
  Show Answer
  The correct answer is D .
• Question 6: By selling an article for ₦45.00 a man makes a profit of 80%. For how much should he have sold it in order to make a profit of 32%? Options:
  A) ₦180.00
  B) ₦59.00
  C) ₦63.00
  D) ₦58.00
  E) ₦55.00
  Show Answer
  The correct answer is E .
• Question 7: A circle of perimeter 28cm is opened to form a square. What is the maximum possible area of the square? Options:
  A) 56cm²
  B) 49cm²
  C) 98cm²
  D) 28cm²
  Show Answer
  The correct answer is B .
• Question 8: Find y, if $\sqrt{12}-\sqrt{147}$ + y$\sqrt{3}$ = 0 Options:
  A) 3
  B) 7
  C) 1
  D) 5
  Show Answer
  The correct answer is D .
• Question 9:

  Find the determinant of the matrix A =$\left(\begin{array}{cc}2& 3\\ 1& 3\end{array}\right)$

  Options:
  A) 4
  B) 2
  C) 5
  D) 3
  Show Answer
  The correct answer is D .
• Question 10: If p varies inversely as the cube of q and q varies directly as the square of r, what is the relationship between P and r? Options:
  A) p varies directly as r³
  B) p varies directly as r⁶
  C) p varies as 6$\sqrt{r}$
  D) p varies inversely as r⁶
  Show Answer
  The correct answer is D .