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 1391: A rectangular lawn has an area of 1815 square yards. if its length is 50 meters, find its width in meters given that 1 metre equals 1.1 yards Options:
  A) 39.93
  B) 35.00
  C) 33.00
  D) 30.00
  Show Answer
  The correct answer is C .
• Question 1392: If tan θ = 4/3, calculate sin²θ - cos²θ. Options:
  A) 16/25
  B) 24/25
  C) 7/25
  D) 9/25
  Show Answer
  The correct answer is C .
• Question 1393:

  Taking the period of day light on a certain day to be from 5.30a.m to 7.00p.m. Calculate the angle of a pie chart designed to show the periods of the day light and of darkness on that day

  Options:
  A) 187^o30'
  B) 172^o30'
  C) 195^o165'
  D) 202^o30' 157^o 30'
  Show Answer
  The correct answer is D .
• Question 1394: The quantity (x + y) is a factor of Options:
  A) x² + y²
  B) x³ - y³
  C) 2x² - 3xy + y² - x + 1
  D) 2x³ + 2x²y - xy + 3x - y² + 3y
  E) x⁵ - y⁵
  Show Answer
  The correct answer is D .
• Question 1395: Solve the pair of pair of equation for x and y respectively 2x^-t - 3y^-1 = 4, 4x^-1 + y^-1 = 1 Options:
  A) -1, 2
  B) 1, 2
  C) 2, 1
  D) 2, -1
  Show Answer
  The correct answer is D .
• Question 1396: What is the locus of point that is equidistant from points P(1,3) and Q(3,5)? Options:
  A) y = -χ + 6
  B) y = -χ - 6
  C) y = χ + 6
  D) y = χ - 6
  Show Answer
  The correct answer is A .
• Question 1397: Simplify 52.4 - 5.7 - 3.45 - 1.75 Options:
  A) 41.4
  B) 41.5
  C) 42.1
  D) 42.2
  Show Answer
  The correct answer is B .
• Question 1398: y varies directly as w². When y = 8, w = 2. Find y when w = 3 Options:
  A) 18
  B) 12
  C) 9
  D) 6
  Show Answer
  The correct answer is A .
• Question 1399: Find the value of $\left|\begin{array}{ccc}0& 3& 2\\ 1& 7& 8\\ 0& 5& 4\end{array}\right|$ Options:
  A) 12
  B) 10
  C) -1
  D) -2
  Show Answer
  The correct answer is D .
• Question 1400: The inverse of matrix N = $\left|\begin{array}{cc}2& 3\\ 1& 4\end{array}\right|$ is Options:
  A) $\frac{1}{5}$ $\left|\begin{array}{cc}2& 1\\ 3& 4\end{array}\right|$
  B) $\frac{1}{5}$ $\left|\begin{array}{cc}4& -3\\ -1& 2\end{array}\right|$
  C) $\frac{1}{5}$ $\left|\begin{array}{cc}2& -1\\ -3& 4\end{array}\right|$
  D) $\frac{1}{5}$ $\left|\begin{array}{cc}4& 3\\ 1& 2\end{array}\right|$
  Show Answer
  The correct answer is B .