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 901: Find ∫(sin x + 2)dx Options:
  A) cos x + x² + K
  B) cos x 2x + K
  C) -cos x + x² + K
  D) -cos x + 2x + K
  Show Answer
  The correct answer is D .
• Question 902:

  If X, Y can take values from the set (1, 2, 3 ,4), find the probability that the product of X and Y is not greater than 6.

  Options:
  A) $\frac{5}{8}$
  B) $\frac{5}{16}$
  C) $\frac{1}{2}$
  D) $\frac{3}{8}$
  Show Answer
  The correct answer is D .
• Question 903:

  If A =$\left(\begin{array}{cc}2& 1\\ 2& 3\\ 1& 2\end{array}\right)$ and B =$\left(\begin{array}{cc}3& 2\\ 4& 2\end{array}\right)$. Find AB

  Options:
  A) $\left(\begin{array}{cc}18& 6\\ 12& 10\\ 10& 6\end{array}\right)$
  B) $\left(\begin{array}{cc}10& 6\\ 13& 10\\ 12& 6\end{array}\right)$
  C) $\left(\begin{array}{cc}10& 6\\ 12& 10\\ 11& 6\end{array}\right)$
  D) $\left(\begin{array}{cc}10& 6\\ 18& 10\\ 11& 6\end{array}\right)$
  Show Answer
  The correct answer is D .
• Question 904: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 905: Solve the simultaneous equations $\frac{2}{x}-\frac{2}{x}$ = 2, $\frac{4}{x}+\frac{3}{y}$ = 10 Options:
  A) x = $\frac{3}{2}$, y = $\frac{3}{2}$
  B) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  C) x = $\frac{-1}{2}$, y = $\frac{-3}{2}$
  D) x = $\frac{1}{2}$, y = $\frac{3}{2}$
  Show Answer
  The correct answer is B .
• Question 906: The graph of f(x) = x² - 5x + 6 crosses the x-axis at the points Options:
  A) (-6, 0), (-1, 0)
  B) (-3, 0), (-2,0)
  C) (-6, 0),(1, 0)
  D) (2, 0), (3, 0)
  Show Answer
  The correct answer is D .
• Question 907: Find the capacity in litres of a cylindrical well of radius 1 meter and depth 14 metres. Options:
  A) 44 000 litres
  B) 4400 litres
  C) 440 litres
  D) 44 litres
  Show Answer
  The correct answer is C .
• Question 908:

  

  The histogram above represents the number of candidates who did Further Mathematics examination in a school. How many candidates scored more than 40?

  Options:
  A) 100
  B) 79
  C) 150
  D) 90
  Show Answer
  The correct answer is C .
• Question 909:

  Find the area bounded by the curves y = 4 - x² and y = 2x + 1

  Options:
  A) 20(1/3) sq. units
  B) 20(2/3) sq. units
  C) 10(2/3) sq. units
  D) 10(1/3) sq. units
  Show Answer
  The correct answer is C .
• Question 910: If $\left|\begin{array}{cc}5& 3\\ x& 2\end{array}\right|$ = $\left|\begin{array}{cc}3& 5\\ 4& 5\end{array}\right|$, find the value of x Options:
  A) 3
  B) 4
  C) 5
  D) 7
  Show Answer
  The correct answer is C .