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 1611:

  A school girl spends $\frac{1}{4}$ of her pocket money on books and $\frac{1}{3}$ on dress. What fraction remains?

  Options:
  A) $\frac{5}{6}$
  B) $\frac{7}{12}$
  C) $\frac{5}{12}$
  D) $\frac{1}{6}$
  Show Answer
  The correct answer is C .
• Question 1612: Solve for (x, y) in the equation 2x + y = 4: x^2 + xy = -12 Options:
  A) (6, -8): (-2, 8)
  B) (3, -4): (-1, 4)
  C) (8, -4): (-1, 4)
  D) (-8, 6): (8, -2)
  E) (-4, 3): (4, -1)
  Show Answer
  The correct answer is A .
• Question 1613: Find the area bounded by the curve y = 3x${}^2$ - 2x + 1, the coordinates x = 1 and x = 3 and the x-axis Options:
  A) 24
  B) 22
  C) 21
  D) 20
  Show Answer
  The correct answer is D .
• Question 1614: $\left|\begin{array}{ccc}-2& 1& 1\\ 2& 1& k\\ 1& 3& -1\end{array}\right|$ = 23 Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is B .
• Question 1615: A student has 5 courses to take from Mathematics and physics. There are 4 courses in Mathematics and 3 in Physics which he can choose his courses so that he takes exactly two courses in Physics? Options:
  A) 48
  B) 12
  C) 10
  D) 7
  Show Answer
  The correct answer is B .
• Question 1616:

  Find the standard deviation of 2,3,8,10 and 12

  Options:
  A) 3.9
  B) 4.9
  C) 5.9
  D) 6.9
  Show Answer
  The correct answer is A .
• Question 1617: If U and V are two distinct fixed points and W is a variable points such that UWV is a right angle, what is the locus of W? Options:
  A) The perpendicular bisector of UV
  B) A circle with UV as radius
  C) A line parallel to the line UV
  D) A circle with the line UV as the diameter
  Show Answer
  The correct answer is D .
• Question 1618:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1619: What is the derivative of t² sin (3t - 5) with respect to t? Options:
  A) 6t cos (3t - 5)
  B) 2t sin (3t - 5) - 3t² cos (3t - 5)
  C) 2t sin (3t - 5) + 3t² cos (3t - 5)
  D) 2t sin (3t - 5) + t² cos 3t
  Show Answer
  The correct answer is C .
• Question 1620: Factorize 4a² - 12ab - C² + 9b² Options:
  A) 4a(a - 3b) + (3b - c)²
  B) (2a + 3b - c)(2a + 3b + c)
  C) (2a - 3b + c)(2a - 3b - c)
  D) 4a(a - 3b) + (3b + c)
  Show Answer
  The correct answer is C .