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 301: Each of the interior angles of a regular polygon is 140^o. How many sides has the polygon? Options:
  A) 9
  B) 8
  C) 7
  D) 5
  Show Answer
  The correct answer is A .
• Question 302: If a binary operation * is defined by x * y = x + 2y, find 2 * (3 * 4) Options:
  A) 24
  B) 16
  C) 14
  D) 26
  Show Answer
  The correct answer is A .
• Question 303:

  A rectangular plot of land has sides with lengths of 38 m and 52 m corrected to the nearest m. Find the range of the possible values of the area of the rectangle

  Options:
  A) 1931.25 m${}^2$ ≤ A < 2021.25 m${}^2$
  B) 1950 m${}^2$ ≤ A < 2002 m${}^2$
  C) 1957 m${}^2$ ≤ A < 1995 m${}^2$
  D) 1931.25 m${}^2$ ≥ A > 2021.25 m${}^2$
  Show Answer
  The correct answer is A .
• Question 304: What is the probability that an integer x,(1 $\le$ x $\le$ 20) chosen at random is divisible by both 2 and 3? Options:
  A) 1/20
  B) 1/3
  C) 3/20
  D) 7/10
  Show Answer
  The correct answer is C .
• Question 305: The length of a notebook 15cm, was measured as 16.8cm. Calculate the percentage error to 2 significant figures. Options:
  A) 12.00%
  B) 11.00%
  C) 10.71%
  D) 0.12%
  Show Answer
  The correct answer is A .
• Question 306:

  

  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 307: The following marks were obtained by twenty students in an examination: 53, 30, 70, 84, 59, 43, 90, 20, 78, 48, 44, 60, 81, 73, 50, 37, 67, 68, 64, 52. Find the numbers of students who scored at least 50 marks Options:
  A) 6
  B) 10
  C) 13
  D) 14
  Show Answer
  The correct answer is D .
• Question 308: Solve the following equation (3x - 2)(5x - 4) = (3x - 2)² Options:
  A) $\frac{-2}{3}$, 1
  B) 1
  C) $\frac{2}{3}$, 1
  D) $\frac{2}{3}$, $\frac{4}{5}$
  Show Answer
  The correct answer is C .
• Question 309: Find the equation of a line parallel to y = -4x + 2 passing through (2,3) Options:
  A) y + 4x + 11 = 0
  B) y - 4x - 11 = 0
  C) y + 4x - 11 = 0
  D) y - 4x + 11 = 0
  Show Answer
  The correct answer is C .
• Question 310: If M(4, q) is the mid-point of the line joining L(p, -2) and N(q, p). Find the values of p and q Options:
  A) P = 2, q = 4
  B) p = 3, q = 1
  C) p = 5, q = 3
  D) p = 6, q = 2
  Show Answer
  The correct answer is D .