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 1431:

  Evaluate $\frac{x{y}^2-x^{2}y}{x^2-x{y}^1}$, when x = -2 and y = 2

  Options:
  A) 3
  B) -$\frac{3}{5}$
  C) $\frac{3}{5}$
  D) -3
  Show Answer
  The correct answer is D .
• Question 1432:

  

  In the figure, find PRQ

  Options:
  A) 66$\frac{1}{2}$${}^{\circ }$
  B) 62$\frac{1}{2}$${}^{\circ }$
  C) 125${}^{\circ }$
  D) 105${}^{\circ }$
  E) 65${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1433: Factorize 1 - (a - b)² Options:
  A) (1 - a - b)(1 - a + b)
  B) (1 + a - b)(1 - a + b)
  C) (1 - a + b)(1 - a + b)
  D) (1 + a + b)(1 + a + b)
  Show Answer
  The correct answer is B .
• Question 1434:

  

  Using $△$XYZ in the figure, find XYZ.

  Options:
  A) 29${}^{\circ }$
  B) 31${}^{\circ }$
  C) 31${}^{\circ }$ 20'
  D) 31${}^{\circ }$ 18'
  Show Answer
  The correct answer is D .
• Question 1435: 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 .
• Question 1436:

  Find the volume of a cone which has a base radius of 5 cm and slant height of 13 cm.

  Options:
  A) $300\pi$ cm${}^3$
  B) $325\pi$ cm${}^3$
  C) $\frac{325}{3}\pi$ cm${}^3$
  D) $100\pi$ cm${}^3$
  Show Answer
  The correct answer is D .
• Question 1437:

  Given matrix M = $\left|\begin{array}{ccc}-2& 0& 4\\ 0& -1& 6\\ 5& 6& 3\end{array}\right|$, find $M^T+2M$

  Options:
  A) $\left|\begin{array}{ccc}-4& 2& 1\\ 6& 0& 5\\ 0& 6& 2\end{array}\right|$
  B) $\left|\begin{array}{ccc}-6& 0& 13\\ 0& -3& 18\\ 14& 18& 9\end{array}\right|$
  C) $\left|\begin{array}{ccc}5& 2& 6\\ 0& 1& 1\\ 3& 4& -7\end{array}\right|$
  D) $\left|\begin{array}{ccc}-4& 0& 8\\ 0& -2& -16\\ 10& 12& 6\end{array}\right|$
  Show Answer
  The correct answer is B .
• Question 1438: Solve for x and y if x - y = 2 and x² - y² = 8 Options:
  A) (-1, 3)
  B) (3, 1)
  C) (-3, 1)
  D) (1, 3)
  Show Answer
  The correct answer is B .
• Question 1439: If ₦225.00 yields ₦27.00 in x years simple interest at the rate of 4% per annum, find x Options:
  A) 3
  B) 4
  C) 12
  D) 17
  Show Answer
  The correct answer is A .
• Question 1440: Evaluate ${\int }_2^1$(3 - 2x)dx Options:
  A) 33m
  B) 5
  C) 2
  D) 6
  Show Answer
  The correct answer is C .