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 2671:

  Find the area and perimeter of a square whose length of diagonals is 20$\sqrt{2}$ cm.

  Options:
  A) 800 cm${}^2$, 80 cm
  B) 400 cm, 80 cm${}^2$
  C) 80 cm, 800 cm${}^2$
  D) 400 cm${}^2$, 80 cm
  Show Answer
  The correct answer is D .
• Question 2672: If x - 4 is a factor of x² - x - k, then k is Options:
  A) 4
  B) 12
  C) 20
  D) 2
  Show Answer
  The correct answer is B .
• Question 2673: The locus of a point equidistant from two points p(6,2) and R(4,2) is a perpendicular bisector of PR passing through Options:
  A) (2,5)
  B) (5,2)
  C) (1,0)
  D) (0,1)
  Show Answer
  The correct answer is B .
• Question 2674:

  Each of the interior angles of a regular polygon is 140°. Calculate the sum of all the interior angles of the polygon.

  Options:
  A) 1080°
  B) 1260°
  C) 2160°
  D) 1800°
  Show Answer
  The correct answer is B .
• Question 2675: From the diagram above, find the bearing of R and S Options:
  A) 226${}^{\circ }$
  B) 224${}^{\circ }$
  C) 136${}^{\circ }$
  D) 134${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 2676:

  

  The diagram above is the graph of y = x², the shaded area is

  Options:
  A) 64 square units
  B) ¹²⁸/₃ square units
  C) ⁶⁴/₃ square units
  D) 32 square units
  Show Answer
  The correct answer is C .
• Question 2677: Write the decimal number 39 to base 2 Options:
  A) 10011 base 2
  B) 110111 base 2
  C) 111001 base 2
  D) 100101 base 2
  E) 19.5 base 2
  Show Answer
  The correct answer is A .
• Question 2678: The graph of the function y = x² + 4 and a straight line PQ are drawn to solve the equation x² - 3x + 2 = 0. What is the equation of PQ? Options:
  A) y = 3x - 2
  B) y = 3x + 2
  C) y = 3x - 4
  D) y = 3x + 4
  Show Answer
  The correct answer is B .
• Question 2679: If 3 boys shared x oranges among themselves in the ratio 3:5:8, and smallest share was 45 oranges, find the value of x Options:
  A) 75
  B) 120
  C) 165
  D) 195
  E) 240
  Show Answer
  The correct answer is E .
• Question 2680:

  

  Determine the value of x in the figure.

  Options:
  A) 134${}^{\circ }$
  B) 81${}^{\circ }$
  C) 53${}^{\circ }$
  D) 46${}^{\circ }$
  Show Answer
  The correct answer is A .