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 1111: Simplify $\frac{(\frac{2}{3}-\frac{1}{5})-\frac{1}{3}\text{of}\frac{2}{5}}{3-\frac{1}{1\frac{1}{2}}}$ Options:
  A) $\frac{1}{7}$
  B) 7
  C) $\frac{1}{3}$
  D) 3
  Show Answer
  The correct answer is A .
• Question 1112: In a class of 150 students, the sector in a pie chart representing the students offering Physics has angle 12^o. How many students are offering Physics? Options:
  A) 18
  B) 15
  C) 10
  D) 5
  Show Answer
  The correct answer is D .
• Question 1113: Given that the universal set U={14,15,16,17,18,19,20}, J {16,19,20) and K= (14,15,18), find (J' ∩ K')1. Options:
  A) {17}
  B) {16, 17, 19, 20}
  C) {1, 4, 15, 17, 18}
  D) {14, 15, 16, 18, 19, 20}
  E) {14, 15, 16, 17, 18, 19, 20}
  Show Answer
  The correct answer is D .
• Question 1114: Solve the pair of pair of equation for x and y respectively 2x^-t - 3y^-1 = 4, 4x^-1 + y^-1 = 1 Options:
  A) -1, 2
  B) 1, 2
  C) 2, 1
  D) 2, -1
  Show Answer
  The correct answer is D .
• Question 1115: In how many ways can2 students be selected from a group of 5 students in a debating competition? Options:
  A) 25 ways
  B) 10 ways
  C) 15 ways
  D) 20 ways
  Show Answer
  The correct answer is B .
• Question 1116: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1117: If sin 30° = 0.5, what is the cosine of its complement? Options:
  A) -0.866
  B) -0.5
  C) 0.0.5
  D) 0.866
  E) 1
  Show Answer
  The correct answer is C .
• Question 1118: 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 1119: The chances of Usman and Dele passing a Mathematics test are 12 and 13 respectively. What is the probability that neither of them passes the test? Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{4}{15}$
  D) $\frac{1}{5}$
  E) $\frac{2}{15}$
  Show Answer
  The correct answer is C .
• Question 1120:

  i. S∩T∩W = S
  ii. S∪T∪W = W
  ii. T∩W = S

  If S$\subset$T$\subset$W. Which of the above statements are true?

  Options:
  A) i and ii
  B) i and iii
  C) ii and iii
  D) i, ii and iii
  Show Answer
  The correct answer is B .