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 701: What is the locus or the mid-point of all the chords of length 6cm with circle of radius 5cm and with center 0? Options:
  A) A circle of radius 4 cm and the center 0
  B) The perpendicular bisector of the chords
  C) A straight line passing through 0
  D) A circle of radius 6 cm and with center 0
  Show Answer
  The correct answer is A .
• Question 702: 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 703: A polynomial in x whose roots are ⁴/₃ and -³/₅ is Options:
  A) 15x² - 11x – 12
  B) 15x² + 11x – 12
  C) 12x² - x – 12
  D) 12x² + 11x – 15
  Show Answer
  The correct answer is A .
• Question 704:

  Integrate (2x+1)${}^3$

  Options:
  A) $\frac{{2x+1}^3}{8}$ + C
  B) $\frac{{2x+1}^4}{8}$ + C
  C) $\frac{{2x+1}^4}{4}$ + C
  D) $\frac{{2x+1}^2}{6}$ + C
  Show Answer
  The correct answer is B .
• Question 705:

  Rationalize $\frac{\sqrt{2}+\sqrt{3}}{\sqrt{2}-\sqrt{3}}$

  Options:
  A) $-5-2\sqrt{6}$
  B) $-5+3\sqrt{2}$
  C) $5-2\sqrt{3}$
  D) $5+2\sqrt{6}$
  Show Answer
  The correct answer is A .
• Question 706:

  Calculate the total surface area of a cupboard which measures 12cm by 10cm by 8cm

  Options:
  A) 1920cm${}^2$
  B) 592cm${}^2$
  C) 296cm${}^2$
  D) 148cm${}^2$
  Show Answer
  The correct answer is B .
• Question 707: 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 708:

  $\frac{d}{dx}$ cos(3x² - 2x) is equal to

  Options:
  A) -sin(6x - 2)
  B) -sin(3x² - 2x)dx
  C) (6x - 2) sin(3x² - 2x)
  D) -(6x - 2)sin(3x² - 2x)
  Show Answer
  The correct answer is D .
• Question 709: A triangle has vertices P(-1,6), Q(-3, -4) and R(1, -4).Find the midpoint of PQ and QR respectively. Options:
  A) (0,-2) and (-1, -4)
  B) (-1,0) and (-1,-1)
  C) (-2,1) and (0,1)
  D) (-2,1) and (-1,-4)
  Show Answer
  The correct answer is D .
• Question 710: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .