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 1791:

  

  Find the inequality which represents the shaded portion in the diagram

  Options:
  A) 2x - y - 2 $\ge$ 0
  B) 2x - y - 2 $\le$ 0
  C) 2x - y - 2 < 0
  D) 2x - y - 2 > 0
  Show Answer
  The correct answer is A .
• Question 1792: A chord is drawn 12cm away from the centre of a circle of radius 13cm. What is the length of the chord? Options:
  A) 169.00 cm
  B) 144.00 cm
  C) 25.00 cm
  D) 17.69 cm
  E) 10.00 cm
  Show Answer
  The correct answer is E .
• Question 1793:

  The angles of a quadrilateral are 5x-30, 4x+60, 60-x and 3x+61.find the smallest of these angles​

  Options:
  A) 5x - 30
  B) 4x + 60
  C) 60 - x
  D) 3x + 61
  Show Answer
  The correct answer is C .
• Question 1794: The solution to the simultaneous equations 3x + 5y = 4, 4x + 3y = 5 is Options:
  A) ($\frac{-13}{11},\frac{1}{11}$)
  B) ($\frac{13}{11},\frac{1}{11}$)
  C) ($\frac{13}{11},\frac{-1}{11}$)
  D) ($\frac{11}{13},\frac{1}{11}$)
  E) (13, 11)
  Show Answer
  The correct answer is B .
• Question 1795: The expression x³ - 4x² + cx + d is such that x + 1 is its factor, and its value is 1 when x is -2. Find c and d. Options:
  A) c = 4 and d = -9
  B) c = -4 and d = 9
  C) c = -20 and d = -15
  D) c = 20 and d = -15
  E) c = -20 and d = 15
  Show Answer
  The correct answer is C .
• Question 1796: Evaluate$\left(\begin{array}{cc}3& -2\\ -7& 5\end{array}\right)$ + 2$\left(\begin{array}{cc}-2& 4\\ 3& -1\end{array}\right)$ Options:
  A) $\left(\begin{array}{cc}-1& 6\\ -1& 3\end{array}\right)$
  B) $\left(\begin{array}{cc}3& 4\\ -2& 6\end{array}\right)$
  C) $\left(\begin{array}{cc}-1& 6\\ 1& 3\end{array}\right)$
  D) $\left(\begin{array}{cc}3& 4\\ 2& 6\end{array}\right)$
  Show Answer
  The correct answer is A .
• Question 1797:

  

  In the diagram MN, PQ and RS are parallel lines. What is the value of the angle marked X?

  Options:
  A) 123^o
  B) 170^o
  C) 117^o
  D) 137^o
  Show Answer
  The correct answer is C .
• Question 1798: Solve the given equation (log₃x)² - 6 log₃x + 9 = 0 Options:
  A) 27
  B) 9
  C) $\frac{1}{27}$
  D) 18
  E) 81
  Show Answer
  The correct answer is A .
• Question 1799: Given log 2 = 0.69, log3 = 1, 10 and log7 = 1.90, all to a fixed base, find log 10.5 to the same base without using tables. Options:
  A) 1.03
  B) 2.31
  C) 3.69
  D) 10.5
  E) 25
  Show Answer
  The correct answer is B .
• Question 1800: If x is negative, what is the range of values of x within which $\frac{x+1}{3}$ > $\frac{1}{X+3}$
  Options:
  A) 3 < x < 4
  B) -4 < x < -3
  C) -2 < x < -1
  D) -3 < x < 0
  Show Answer
  The correct answer is B .