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 1601:

  

  In the circle above, with centre O and radius 7 cm. Find the length of the arc AB, when < AOB = 57°.

  Options:
  A) 5.32 cm
  B) 4.39 cm
  C) 7.33 cm
  D) 6.97 cm
  Show Answer
  The correct answer is D .
• Question 1602: If the heights of two circular cylinder are in the ratio 2 : 3 and their volumes? Options:
  A) 27 : 32
  B) 27 : 23
  C) 23 : 32
  D) 27 : 23
  Show Answer
  The correct answer is A .
• Question 1603: On a pie chart, there are six sectors of which four angles are 30^o, 45^o, 60^o, 90^o and the remaining two angles are in the ratio 2 : 1. Find the smaller angles of the remaining two angles Options:
  A) 15^o
  B) 30^o
  C) 45^o
  D) 60^o
  Show Answer
  The correct answer is C .
• Question 1604: 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 1605: If y = (1 - 2x)², find the value of dy/dx at x = -1 Options:
  A) 57
  B) 27
  C) -6
  D) -54
  Show Answer
  The correct answer is D .
• Question 1606: 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 1607:

  List all integers satisfying the inequality in -2 < 2x-6 < 4

  Options:
  A) 2,3,4 and 5
  B) 2,3
  C) 2,5
  D) 3,4
  Show Answer
  The correct answer is D .
• Question 1608: Find the values of x and y respectively if
  $\left(\begin{array}{cc}1& 0\\ -1& -1\\ 2& 2\end{array}\right)$ + $\left(\begin{array}{cc}x& 1\\ -1& 0\\ y& -2\end{array}\right)$ = $\left(\begin{array}{cc}-2& 1\\ -2& -1\\ -30& 0\end{array}\right)$ Options:
  A) -3, -2
  B) -5, -3
  C) -2, -5
  D) -3, -5
  Show Answer
  The correct answer is D .
• Question 1609: Solve for x in 8x^-2 = 2/25 Options:
  A) 4
  B) 6
  C) 8
  D) 10
  Show Answer
  The correct answer is D .
• Question 1610: Find the value of log₁₀ r + log₁₀ r² + log₁₀ r⁴ + log₁₀ r⁸ + log₁₀ r¹⁶ + log₁₀ r³² = 63 Options:
  A) 10^-1
  B) 10^o
  C) 10
  D) 10²
  Show Answer
  The correct answer is C .