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 2781: Oke deposited ₦800.00 in the bank at the rate of 12$\frac{1}{2}$% simple interest. After some time the total amount was one and half times the principal. For how many years was the money left in the bank? Options:
  A) 2$\frac{2}{3}$
  B) 4
  C) 5$\frac{1}{3}$
  D) 8
  Show Answer
  The correct answer is B .
• Question 2782:

  Find the distance between the points C(2, 2) and D(5, 6).

  Options:
  A) 13 units
  B) 7 units
  C) 12 units
  D) 5 units
  Show Answer
  The correct answer is D .
• Question 2783: 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 .
• Question 2784: Quantities in the proportions 1, 4, 6, 7 are to be represented in a pie chart. Calculate the angle of the sector with proportion 7 Options:
  A) 20^o
  B) 80^o
  C) 120^o
  D) 140^o
  Show Answer
  The correct answer is D .
• Question 2785: Given that a*b = ab + a + b and that a0b = a + b = 1. Find an expression (not involving * or 0) for (a*b) 0 (a*c) if a, b, c, are real numbers and the operations on the right are ordinary addition and multiplication of numbers Options:
  A) ac + ab + bc + b + c + 1
  B) ac + ab + a + c + 2
  C) ab + ac + a + b + 1
  D) ac + bc + ab + b + c + 2
  E) ab + ac + 2a + b + c + 1
  Show Answer
  The correct answer is E .
• Question 2786:

  What is the place value of 9 in the number 3.0492?

  Options:
  A) $\frac{9}{10000}$
  B) $\frac{9}{1000}$
  C) $\frac{9}{100}$
  D) $\frac{9}{10}$
  Show Answer
  The correct answer is B .
• Question 2787: 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 .
• Question 2788: If x varies directly as √n and x = 9 when n = 9, find x when n = (17/9) Options:
  A) 4
  B) 27
  C) √3
  D) √17
  Show Answer
  The correct answer is D .
• Question 2789:

  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 2790: The model height and range of heights 1.35, 1.25, 1.35, 1.40, 1.35, 1.50, 1.35, 1.50, and 1.20 are m and r respectively. Find m+2r. Options:
  A) 1.35
  B) 1.65
  C) 1.95
  D) 3.00
  Show Answer
  The correct answer is C .