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 1671: If the 7th term of an AP is twice the third term and the sum of the first four terms is 42, find the common difference. Options:
  A) 6
  B) 3
  C) 2
  D) 1
  Show Answer
  The correct answer is B .
• Question 1672: 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 1673: The model height and range of heights 1.35, 1.25, 1.35, 1.40, 1.35, 1.50, 1.35, 1.50, and 1.20 are m and r respectively. Find m+2r. Options:
  A) 1.35
  B) 1.65
  C) 1.95
  D) 3.00
  Show Answer
  The correct answer is C .
• Question 1674: If the lines 2y - kx + 2 = 0 and y + x - ^k/₂ = 0 Intersect at (1, -2), find the value of k Options:
  A) -4
  B) -3
  C) -2
  D) -1
  Show Answer
  The correct answer is C .
• Question 1675:

  Find the value of x if $\frac{\sqrt{2}}{x+\sqrt{2}}$ = $\frac{1}{x-\sqrt{2}}$

  Options:
  A) 3$\sqrt{2}$ + 4
  B) 3$\sqrt{2}$ - 4
  C) 3 - 2$\sqrt{2}$
  D) 4 + 2$\sqrt{2}$
  Show Answer
  The correct answer is A .
• Question 1676:

  

  Which one of the following gives the members of the set A^c $\cap$ B $\cap$ C?

  Options:
  A) Φ
  B) {s}
  C) {t, u}
  D) {y, z}
  Show Answer
  The correct answer is A .
• Question 1677: 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 1678: If y = 3 cos 4x, $\frac{dy}{dx}$ equals Options:
  A) 6 sin 8x
  B) -24 sin 4x
  C) 12 sin 4x
  D) -12 sin 4x
  Show Answer
  The correct answer is D .
• Question 1679: Factorize 6x² - 14x - 12 Options:
  A) 2(x + 3)(3x - 2)
  B) 6(x - 2)(x + 1)
  C) 2(x - 3)(3x + 2)
  D) 6(x + 2)(x - 1)
  E) (3x - 4)(2x + 3)
  Show Answer
  The correct answer is C .
• Question 1680: Find the positive number n such that thrice its square is equal to 12 times the number. Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is D .