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 2791: 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 2792:

  The maximum value of the function

  F(x) = 2 + x - x² is

  Options:
  A) 9/4
  B) 7/4
  C) 3/2
  D) 1/2
  Show Answer
  The correct answer is A .
• Question 2793: 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 2794:

  

  The diagram is the distance time graph of a vehicle. Find its average speed in kilometers per hour during the journey

  Options:
  A) 155km/hr
  B) 50km/hr
  C) 40km/hr
  D) 124km/hr
  E) 84km/hr
  Show Answer
  The correct answer is E .
• Question 2795:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 2796: In how many ways can the word MATHEMATICS be arranged? Options:
  A) $\frac{11!}{9!2!}$
  B) $\frac{11!}{9!2!2!}$
  C) $\frac{11!}{2!2!2!}$
  D) $\frac{11!}{2!2!}$
  Show Answer
  The correct answer is C .
• Question 2797: A number is selected at random between 10 and 20, both numbers inclusive. Find the probability that the number is an even number Options:
  A) $\frac{5}{11}$
  B) $\frac{1}{2}$
  C) $\frac{6}{11}$
  D) $\frac{7}{10}$
  Show Answer
  The correct answer is C .
• Question 2798:
  

  From the diagram above, Find the value of < ROP

  Options:
  A) 110^o
  B) 70^o
  C) 95^o
  D) 85^o
  Show Answer
  The correct answer is C .
• Question 2799: In how many ways can a student select 2 subjects from 5 subjects? Options:
  A) $\frac{5!}{3!}$
  B) $\frac{5!}{2!2!}$
  C) $\frac{5!}{2!3!}$
  D) $\frac{5!}{2!}$
  Show Answer
  The correct answer is C .
• Question 2800: 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 .