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 1051:
  

  The graph above depicts the performance ratings of two sports teams A and B in five different seasons

  In the last five seasons, what was the difference in the average performance ratings between Team B and Team A?

  Options:
  A) 1.2
  B) 6.4
  C) 4.6
  D) 1.8
  Show Answer
  The correct answer is A .
• Question 1052:

  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 1053: If a u² - 3v² and b = 2uv + v² evaluate (2a - b)(a - b²), when u = 1 and v = -1 Options:
  A) 9
  B) 15
  C) 27
  D) 33
  Show Answer
  The correct answer is A .
• Question 1054:

  Divide the expression x³ + 7x² - x - 7 by -1 + x²

  Options:
  A) -x³ + 7x² - x - 7
  B) -x³ = 7x + 7
  C) x - 7
  D) x + 7
  Show Answer
  The correct answer is D .
• Question 1055:

  

  Find the square pf the mode

  Options:
  A) 49
  B) 121
  C) 25
  D) 64
  Show Answer
  The correct answer is B .
• Question 1056: The distance between the point (4, 3) and the intersection of y = 2x + 4 and y = 7 - x is Options:
  A) $\sqrt{13}$
  B) $3\sqrt{2}$
  C) $\sqrt{26}$
  D) $10\sqrt{5}$
  Show Answer
  The correct answer is B .
• Question 1057:

  

  If O is the centre of the circle in the figure, find the value of x

  Options:
  A) 50
  B) 260
  C) 100
  D) 65
  E) 130
  Show Answer
  The correct answer is C .
• Question 1058:

  

  In the diagram above, EFGH is a circle center O. Fh is a diameter and GE is a chord which meets FH at right angle at the point N. If NH = 8cm and EG = 24cm, calculate FH.

  Options:
  A) 16 cm
  B) 20 cm
  C) 26 cm
  D) 32 cm
  Show Answer
  The correct answer is D .
• Question 1059: If x is jointly proportional to the cube of y and the fourth power of z. In what ratio is x increased or decreased when y is halved and z is doubled? Options:
  A) 4:1 increase
  B) 2:1 increase
  C) 1:1 no change
  D) 1:4 decrease
  E) 3:4 decrease
  Show Answer
  The correct answer is B .
• Question 1060: Which of the following binary operations is cumulative in the set of integers? Options:
  A) a $\ast$ b = a + 2b
  B) a $\ast$ b = a + b - ab
  C) a $\ast$ b = a² + b
  D) a $\ast$ b = $\frac{a(b+1)}{2}$
  Show Answer
  The correct answer is C .