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 2261: Evaluate (1/2 - 1/4 - 1/8 - 1/16 + ...) - 1 Options:
  A) 2/3
  B) zero
  C) -2/3
  D) -1
  Show Answer
  The correct answer is C .
• Question 2262: Simplify $\frac{x}{x+y}$ + $\frac{y}{x-y}$ - $\frac{x^2}{x^2-y^2}$ Options:
  A) $\frac{x}{x^2-y^2}$
  B) $\frac{y^2}{x^2-y^2}$
  C) $\frac{x^2}{x^2-y^2}$
  D) $\frac{y}{x^2-y^2}$
  Show Answer
  The correct answer is B .
• Question 2263: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 2264: If a = 2, b = -2 and c = -$\frac{1}{2}$, evaluate (ab² - bc²)(a²c - abc) Options:
  A) 2
  B) -28
  C) -30
  D) -34
  Show Answer
  The correct answer is D .
• Question 2265: Simplify (216$\frac{1}{3}$)^-2 Options:
  A) $\frac{1}{36}$
  B) $\frac{1}{18}$
  C) $\frac{1}{13}$
  D) $\frac{1}{6}$
  E) $\frac{1}{3}$
  Show Answer
  The correct answer is A .
• Question 2266: The distance between the point (4, 3) and the intersection of y = 2x + 4 and y = 7 - x is Options:
  A) $\sqrt{13}$
  B) $3\sqrt{2}$
  C) $\sqrt{26}$
  D) $10\sqrt{5}$
  Show Answer
  The correct answer is B .
• Question 2267: If y = 3 cos(x/3), find dy/dx when x = (3π/2) Options:
  A) 1
  B) -3
  C) 2
  D) -1
  Show Answer
  The correct answer is D .
• Question 2268: S_n is the sum of the first n terms of a series given by S_n = n₂n - 1. Find the nth term Options:
  A) 4n + 1
  B) 4n - 1
  C) 2n + 1
  D) 2n - 1
  Show Answer
  The correct answer is D .
• Question 2269:

  Simplify $(\sqrt[3]{64}{a}^3{)}^{-1}$.

  Options:
  A) $4a$
  B) $\frac{1}{8a}$
  C) $8a$
  D) $\frac{1}{4a}$
  Show Answer
  The correct answer is D .
• Question 2270: Write the equation 2 log₂x - x log₂(1 + y) = 3 in a form not involving logarithms Options:
  A) 2^x(1 + y) = 3
  B) 2^x - x(1 + y) = 8
  C) x² = 8(1 + y)^x
  D) x² - x(1 + y) = 8
  E) x² - (1 + y)² = 8
  Show Answer
  The correct answer is C .