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 91: What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2? Options:
  A) 2t
  B) 2t-1
  C) ²/₃t+1
  D) 2t-¹/₃
  Show Answer
  The correct answer is D .
• Question 92:

  

  In diagram, PQ || ST and < PQR = 120${}^{\circ }$, < RST = 130${}^{\circ }$, find the angle marked x

  Options:
  A) 50
  B) 65
  C) 70
  D) 80
  Show Answer
  The correct answer is C .
• Question 93: 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 94:

  The acres for rice, pineapple, cassava, cocoa and palm oil in a certain district are given respectively as 2, 5, 3, 11 and 9. What is the angle of the sector of cassava in a pie chart?

  Options:
  A) 180${}^o$
  B) 36${}^o$
  C) 60${}^o$
  D) 108${}^o$
  Show Answer
  The correct answer is B .
• Question 95: 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 96:

  Find the infinity, the sum of the sequence 1, $\frac{9}{10}$, ($\frac{9}{10}$)², ($\frac{9}{10}$)³,...

  Options:
  A) 10
  B) 9
  C) $\frac{10}{9}$
  D) $\frac{9}{10}$
  Show Answer
  The correct answer is A .
• Question 97: If the hypotenuse of right angled isosceles triangle is 2, what is the length of each of the other sides? Options:
  A) $\sqrt{2}$
  B) $\frac{1}{2}$
  C) 22
  D) 1
  E) 2 - 1
  Show Answer
  The correct answer is A .
• Question 98: What is the locus of points equidistant from the lines ax + bc + c = 0? Options:
  A) A line bx - ay +q = 0
  B) A line ax - ay +q = 0
  C) A line bx + ay +q = 0
  D) A line bx + ay +q = 0
  Show Answer
  The correct answer is B .
• Question 99: 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 100:

  Find the mean deviation of 1, 2, 3 and 4

  Options:
  A) 1.0
  B) 1.5
  C) 2.0
  D) 2.5
  Show Answer
  The correct answer is A .