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 1941: If x + $\frac{1}{x}$ = 4, find x² + $\frac{1}{x^2}$ Options:
  A) 16
  B) 14
  C) 12
  D) 9
  Show Answer
  The correct answer is B .
• Question 1942: Solve $\frac{1}{x+1}$ - $\frac{1}{x+3}$ = $\frac{1}{4}$ Options:
  A) x = -1 or 3
  B) x = 1 or 3
  C) x = 1 or -5
  D) x = -1 or 5
  E) x = -1 or -3
  Show Answer
  The correct answer is C .
• Question 1943:

  

  Find the area of the figure given

  Options:
  A) 12.5cm²
  B) 75.0cm²
  C) 78.5cm²
  D) 84.8cm²
  Show Answer
  The correct answer is D .
• Question 1944: Find the value of log₁₀$\frac{1}{40}$, given that log₁₀4 = 0.6021 Options:
  A) 1.3979
  B) 2.3979
  C) 1.6021
  D) 2.6021
  Show Answer
  The correct answer is C .
• Question 1945:

  Determine the mean monthly salary of 50 employees of a company from the following frequency distribution.

  $\begin{array}{cc}\text{Monthly salary}& \text{Frequency}\\ N200.00& 10\\ N325.00& 5\\ N100.00& 20\\ N120.00& 2\\ N60.00& 10\\ N80.00& 3\end{array}$

  Options:
  A) ₦215.30
  B) ₦134.10
  C) ₦143.10
  D) ₦80.00
  E) ₦50.30
  Show Answer
  The correct answer is B .
• Question 1946: if a = -3, b = 2, c = 4, evaluate $\frac{a^3-b^3-c^{\frac{1}{2}}}{b-a-c}$ Options:
  A) 37
  B) $\frac{-37}{5}$
  C) $\frac{37}{5}$
  D) -37
  Show Answer
  The correct answer is A .
• Question 1947:

  

  Triangle OPQ is the solution of the inequalities

  Options:
  A) x - 1 < 0, y + $\ge$ 0, y - x $\ge$ 0
  B) x + 1 $\le$ 0, y + x $\ge$ 0, y - x $\le$ 0
  C) x - 1 $\ge$ 0, y - x $\ge$ 0, y + x $\ge$ 0
  D) y + x $\ge$ 0, y - x $\le$ 0
  Show Answer
  The correct answer is B .
• Question 1948: The three sides of an isosceles triangle are length of lengths (x + 3), (2x + 3), (2x - 3) respectively. Calculate x. Options:
  A) 5
  B) 1
  C) 3
  D) 6
  Show Answer
  The correct answer is D .
• Question 1949: What is the mean of the data t, 2t-1, t-2, 2t-1, 4t and 2t+2? Options:
  A) 2t
  B) 2t-1
  C) ²/₃t+1
  D) 2t-¹/₃
  Show Answer
  The correct answer is D .
• Question 1950: A group of market women sell at least one of yam, plantain and maize. 12 of them sell maize, 10 sell yam and 14 sell plantain. 5 sell plantain and maize, 4 sell yam and maize, 2 sell yam and plantain only while 3 sell all the three items. How many women are in the group? Options:
  A) 25
  B) 19
  C) 18
  D) 17
  Show Answer
  The correct answer is A .