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 2571: At what rate would a sum of ₦100.00 deposited for 5 years raise an interest of ₦7.50? Options:
  A) 1$\frac{1}{2}$%
  B) 2$\frac{1}{2}$%
  C) 1.5%
  D) 25%
  Show Answer
  The correct answer is C .
• Question 2572: If y = (2x + 2)³, find $\frac{\delta x}{\delta y}$ Options:
  A) 3(2x +2)²
  B) 6(2x +2)
  C) 3(2x +2)
  D) 6(2x +2)²
  Show Answer
  The correct answer is D .
• Question 2573:

  Evaluate ∫${}_1^2$ $\frac{5}{x}$ dx

  Options:
  A) 1.47
  B) 2.67
  C) 3.23
  D) 3.47
  Show Answer
  The correct answer is D .
• Question 2574:

  Solve for x: 3(x 1) ≤ 2 (x 3)

  Options:
  A) x ≤ -3
  B) x ≥ -3
  C) x ≤ 3
  D) x ≥ 3
  Show Answer
  The correct answer is A .
• Question 2575: Four interior angles of a pentagon are 90^o - x^o, 90^o + x^o, 110^o - 2x^o, 110^o + 2x^o. Find the fifth interior angle Options:
  A) 110^o
  B) 120^o
  C) 130^o
  D) 140^o
  Show Answer
  The correct answer is D .
• Question 2576: P = {x:(x - 2)(x + 3) (x - 4)(x + 5) = 0}. The elements in P are Options:
  A) -5,-2, 3, 4
  B) -5, -3, 2, 4
  C) -5, -3, -2,4
  D) -4, -3, -2, 5
  E) 2, 3, 4, 5
  Show Answer
  The correct answer is B .
• Question 2577: If f(x) = 2x² - 5x + 3, find f(x + 1) Options:
  A) 2x² - x
  B) 2x² - x + 10
  C) 4x² + 3x + 2
  D) 4x² + 3x + 12
  Show Answer
  The correct answer is A .
• Question 2578: 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 2579: On a square paper of length 2.524375cm is inscribed square diagram of length 0.524375cm. Find the area of the paper not covered by the diagram. correct to 3 significant figures. Options:
  A) 6.00cm²
  B) 6.10cm²
  C) 6cmv
  D) 6.09cm²
  E) 4.00cm²
  Show Answer
  The correct answer is B .
• Question 2580: Find the equation of a line perpendicular to line 2y = 5x + 4 which passes through (4, 2). Options:
  A) 5y - 2x -18 = 0
  B) 5y + 2x - 18 = 0
  C) 5y - 2x + 18 = 0
  D) 5y + 2x - 2 = 0
  Show Answer
  The correct answer is B .