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 1561:
  

  Which inequality describes the graph above?

  Options:
  A) $4y+5x\ge 20$
  B) $5y+4x\le 20$
  C) $4y+5x\le 20$
  D) $5y+4x\ge 20$
  Show Answer
  The correct answer is B .
• Question 1562: The bearing of a point Y from point x is 150°. What is the bearing of X from Y? Options:
  A) 330°
  B) 240°
  C) 150°
  D) 120°
  E) 30°
  Show Answer
  The correct answer is A .
• Question 1563: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1564:

  

  In the figure, PQR is a semicircle. Calculate the area of the shaded region.

  Options:
  A) 125^{$\frac{2}{7}$}cm²
  B) 149^{$\frac{2}{7}$}cm²
  C) 234^{$\frac{1}{7}$}cm²
  D) 267^{$\frac{1}{2}$}cm²
  Show Answer
  The correct answer is A .
• Question 1565:

  Calculate the perimeter of a sector of a circle of radius 9cm and angle 36^o.

  Options:
  A) 18cm
  B) (18 + $\frac{9\pi }{5}$)cm
  C) (9 + $\frac{9\pi }{5}$)cm
  D) $\frac{9\pi }{5}$cm
  Show Answer
  The correct answer is B .
• Question 1566:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1567: The number of telephone calls N between two cities A and B varies directly as the population P_A, P_B respectively and inversely as the square of the distance D between A and B. Which of the following equations represents this relation? Options:
  A) N = $\frac{k{p}_A}{D^2}+c{p}_B{D}^2$
  B) N = $\frac{k{p}_A{P}_B}{D^2}$
  C) N = $\frac{k{D}_A{P}_D}{B^2}$
  D) N = $\frac{k{D}_A^2{P}_D}{B}$
  Show Answer
  The correct answer is B .
• Question 1568: Determine the maximum value of y = 3x² - x³ Options:
  A) zero
  B) 2
  C) 4
  D) 6
  Show Answer
  The correct answer is C .
• Question 1569: If 2x + 3y = 1 and x - y = 11, find (x + y). Options:
  A) 5
  B) 3
  C) 8
  D) 2
  E) 11
  Show Answer
  The correct answer is E .
• Question 1570: If the value of is taken to be $\frac{22}{7}$, the area of a semi-circle of diameter 42m is Options:
  A) 5544m²
  B) 1386m²
  C) 132m²
  D) 264m²
  E) 693m²
  Show Answer
  The correct answer is E .