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 2311: The angle of elevation of a building from a measuring instrument placed on the ground is 30^o. If the building is 40m high, how far is the instrument from the foot of the building? Options:
  A) $\frac{20}{\surd 3}$m
  B) $\frac{40}{\surd 3}$m
  C) 20√3m
  D) 40√3m
  Show Answer
  The correct answer is D .
• Question 2312:

  

  The bar chart above shows the distribution of SS2 students in a school.

  Find the total number of students

  Options:
  A) 180
  B) 135
  C) 210
  D) 105
  Show Answer
  The correct answer is A .
• Question 2313:

  If $\frac{x}{a+1}$ + $\frac{y}{b}$ = 1. Make y the subject of the relation.

  Options:
  A) $\frac{b(a+1-x)}{a+1}$
  B) $\frac{a+1}{b(a-x+1)}$
  C) $\frac{a(b-x+1)}{b+1}$
  D) $\frac{b}{a(b-x+1)}$
  Show Answer
  The correct answer is A .
• Question 2314:

  

  The shaded region in the Venn diagram above is

  Options:
  A) P^c ∪ (Q ∩ R)
  B) P^c ∩ (Q ∪ R)
  C) P ∩ Q
  D) P^c ∩ (Q ∩ R)
  Show Answer
  The correct answer is D .
• Question 2315: T varies inversely as the square root of F when T = 7, F = 2$\frac{1}{4}$. Find T when F = $\frac{27}{9}$ Options:
  A) 1.5
  B) 6.3
  C) 6.3
  D) 12.6
  E) 21
  Show Answer
  The correct answer is B .
• Question 2316:

  If 2x${}^2$ + x - 3 divides x - 2, find the remainder.

  Options:
  A) 7
  B) 3
  C) 5
  D) 6
  Show Answer
  The correct answer is A .
• Question 2317: 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 2318:

  

  The bar chart above shows the number of times the word a, and , in, it, the , to appear in a paragraph in a book. What is the ratio of the least frequent word?

  Options:
  A) ¹/₄
  B) ¹/₃
  C) ²/₃
  D) ³/₄
  Show Answer
  The correct answer is A .
• Question 2319: A set of data contains a total of 130 items which are divided into six groups for display on a pie chart. If one group contains 26 items, then the sector representing this group on the pie chart contains an angle x^o at the centre of the circle where x is Options:
  A) 36^o
  B) 60^o
  C) 70^o
  D) 72^o
  E) 75^o
  Show Answer
  The correct answer is D .
• Question 2320: If sin x = cos 50^o, then x equals Options:
  A) 40^o
  B) 45^o
  C) 50^o
  D) 90^o
  E) 130^o
  Show Answer
  The correct answer is A .