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 891: In a geometric progression, the first term is 153 and the sixth term is $\frac{17}{27}$. The sum of the first four terms is Options:
  A) $\frac{860}{3}$
  B) $\frac{680}{3}$
  C) $\frac{608}{3}$
  D) $\frac{680}{3}$
  Show Answer
  The correct answer is B .
• Question 892:

  Simplify (1 + $\frac{\frac{x-1}{1}}{\frac{1}{x+1}}$)(x + 2)

  Options:
  A) (x² - 1)(x + 2)
  B) x²(x + 2)
  C) x² + 34
  D) $\frac{3x^2-1}{(x-1)}$
  Show Answer
  The correct answer is B .
• Question 893: 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 894: 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 895:

  

  In a basket, there are 6 grapes, 11 bananas and 13 oranges. If one fruit is chosen at random, what is the probability that the fruit is either a grape or a banana?

  Options:
  A) $\frac{5}{30}$
  B) $\frac{11}{30}$
  C) $\frac{17}{30}$
  D) $\frac{1}{30}$
  Show Answer
  The correct answer is C .
• Question 896: If a binary operation * is defined by x * y = x + 2y, find 2 * (3 * 4) Options:
  A) 24
  B) 16
  C) 14
  D) 26
  Show Answer
  The correct answer is A .
• Question 897:

  Calculate the median of 14, 17, 10, 13, 18 and 10.

  Options:
  A) 12.5
  B) 13.5
  C) 13.2
  D) 14.5
  Show Answer
  The correct answer is B .
• Question 898: If 55_x + 52_x = 77₁₀ find X Options:
  A) 5
  B) 6
  C) 7
  D) 10
  Show Answer
  The correct answer is C .
• Question 899:

  

  The diagram above is a circle with centre C. P, Q and S are points on the circumference. PS and SR are tangents to the circle. ∠PSR = 36${}^{\circ }$. Find ∠PQR

  Options:
  A) 72${}^{\circ }$
  B) 36${}^{\circ }$
  C) 144${}^{\circ }$
  D) 54${}^{\circ }$
  Show Answer
  The correct answer is A .
• Question 900: Find the size of each exterior angle of a regular octagon. Options:
  A) 45^o
  B) 40^o
  C) 51^o
  D) 36^o
  Show Answer
  The correct answer is A .