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 1701:

  Which of the following values of the variable x, (a)x = 0, (b)x = -3, (c)x = 9, satisfy the inequalities 0 < $\frac{x+3}{x-1}$ < 2?

  Options:
  A) (a), (b), (c)
  B) (c)
  C) None of the choices
  D) All of the above
  Show Answer
  The correct answer is C .
• Question 1702: Assuming log_e 4.4 = 1.4816 and log_e 7.7 = 2.0142, then the value of log_e $\frac{7}{4}$ is Options:
  A) 0.5326
  B) 3.4958
  C) 0.4816
  D) 0.0142
  E) 1.3594
  Show Answer
  The correct answer is A .
• Question 1703: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1704: Find the number of ways of selecting 8 subjects from 12 subjects for an examination Options:
  A) 490
  B) 495
  C) 496
  D) 498
  Show Answer
  The correct answer is B .
• Question 1705:

  Find the derivativeof the function y = 2x${}^2$(2x - 1) at the point x = -1?

  Options:
  A) 18
  B) 16
  C) -4
  D) -6
  Show Answer
  The correct answer is B .
• Question 1706:

  

  In the diagram, EFGH is a circle centre 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) 32cm
  B) 26cm
  C) 20cm
  D) 16cm
  Show Answer
  The correct answer is B .
• Question 1707:

  The weight of a day-old chick was measured to be 0.21g. If the actual weight of the chick is 0.18g, what was the percentage error in the measurement?

  Options:
  A) 15.5%
  B) 18.2%
  C) 14.8%
  D) 16.7%
  Show Answer
  The correct answer is D .
• Question 1708: 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 1709: If ₦225.00 yields ₦27.00 in x years simple interest at the rate of 4% per annum, find x Options:
  A) 3
  B) 4
  C) 12
  D) 17
  Show Answer
  The correct answer is A .
• Question 1710: If m $\ast$ n = n-(m + 2) for any real numbers m and n, find the value of 3 $\ast$ (-5) Options:
  A) -6
  B) -8
  C) -10
  D) -12
  Show Answer
  The correct answer is C .