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 2071: The diagonals of a rhombus are 16cm and 30cm long. What is the perimeter of the rhombus Options:
  A) 68cm
  B) 72cm
  C) 80cm
  D) 88cm
  E) 92cm
  Show Answer
  The correct answer is A .
• Question 2072: If f(x - 2) = 3x² + 4x + 1. Find the area of the sector Options:
  A) 8
  B) 40
  C) 7
  D) 24
  E) 32
  Show Answer
  The correct answer is B .
• Question 2073: The expression ax² + bx + c equals 5 at x = 1. If its derivative is 2x + 1, what are the values of a, b, c respectively? Options:
  A) 1, 3, 1
  B) 1, 2, 1
  C) 2, 1, 1
  D) 1, 1, 3
  Show Answer
  The correct answer is D .
• Question 2074:

  Evaluate ${\int }_{-1}^1$(2x + 1)²dx

  Options:
  A) 3$\frac{2}{3}$
  B) 4
  C) 4$\frac{1}{3}$
  D) 4$\frac{2}{3}$
  Show Answer
  The correct answer is D .
• Question 2075: Simplify 4$\sqrt{27}$ + 5$\sqrt{12}$ − 3$\sqrt{75}$ Options:
  A) 7
  B) − 7
  C) − 7$\sqrt{3}$
  D) 7$\sqrt{3}$
  Show Answer
  The correct answer is D .
• Question 2076: A trader in country where their currency 'MONI'(M) is in base five bought 103₅ oranges at M14₅ each. If he sold the oranges at M24₅ each, what will be his gain? Options:
  A) 103₅
  B) 1030₅
  C) 102₅
  D) 2002₅
  E) 3032₅
  Show Answer
  The correct answer is B .
• Question 2077: If U = (1, 2, 3, 6, 7, 8, 9, 10) is the universal set. E = (10, 4, 6, 8, 10) and F = is odd. Find (E ∩ F), where means x 1x² = 2⁶, x the complement of a set Options:
  A) (0)
  B) U
  C) (8)
  D) $\varphi$
  Show Answer
  The correct answer is D .
• Question 2078: In a class of 150 students, the sector in a pie chart representing the students offering Physics has angle 12^o. How many students are offering Physics? Options:
  A) 18
  B) 15
  C) 10
  D) 5
  Show Answer
  The correct answer is D .
• Question 2079: If log₁₀4 = 0.6021, evaluate log₁₀4^1/3 Options:
  A) 0.3011
  B) 0.9021
  C) 1.8063
  D) 0.2007
  Show Answer
  The correct answer is D .
• Question 2080: If a² + b² = 16 and 2ab = 7.Find all the possible values of (a - b) Options:
  A) 3, -3
  B) 2, -2
  C) 1, -1
  D) 3, -1
  Show Answer
  The correct answer is A .