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 1411:

  

  The table above shows the number of pupils in each age group in a class. What is the probability that a pupil chosen at random is at least 1 years old?

  Options:
  A) ²⁷/₄₀
  B) ¹⁷/₂₀
  C) ³/₃₀
  D) ³³/₄₀
  Show Answer
  The correct answer is B .
• Question 1412:
  

  In this fiqure, PQ = PR = PS and SRT = 68${}^o$. Find QPS

  Options:
  A) 136${}^o$
  B) 124${}^o$
  C) 112${}^o$
  D) 68${}^o$
  Show Answer
  The correct answer is A .
• Question 1413:

  Find the value of $\frac{(0.5436{)}^3}{0.017\times 0.219}$ to 3 significant figures.

  Options:
  A) 46.2
  B) 43.1
  C) 534
  D) 431
  Show Answer
  The correct answer is B .
• Question 1414: If gt² - k - w = 0, make g the subject of the formula Options:
  A) $\frac{k+w}{t^2}$
  B) $\frac{k-w}{t^2}$
  C) $\frac{k+w}{t}$
  D) $\frac{k-w}{t}$
  Show Answer
  The correct answer is A .
• Question 1415:

  Find a positive value of ã if the coordinate of the centre of a circle X²+y²-2ãx+4y-ã = 0 is (ã,-2) and the radius is 4 units.

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 1416: If M represents the median and D the mode of the measurements 5, 9, 3, 5, 7, 5, 8, then (M, D) is Options:
  A) (6, 5)
  B) (5, 8)
  C) (5, 7)
  D) (5, 5)
  E) (7, 5)
  Show Answer
  The correct answer is D .
• Question 1417: If (x - 2) and (x + 1) are factors of the expression x³ + px² + qx + 1, what is the sum of p and q Options:
  A) 9
  B) -3
  C) 3
  D) $\frac{17}{3}$
  E) $\frac{2}{3}$
  Show Answer
  The correct answer is B .
• Question 1418: Let = $\left(\begin{array}{cc}1& 0\\ 0& 1\end{array}\right)$ p = $\left(\begin{array}{cc}2& 3\\ 4& 5\end{array}\right)$ Q = $\left(\begin{array}{cc}u& 4+u\\ -2v& v\end{array}\right)$ be 2 x 2 matrices such that PQ = 1. Find (u, v) Options:
  A) (-$\frac{5}{2}$ - 1)
  B) (-$\frac{5}{2}$ - $\frac{3}{2}$)
  C) (-$\frac{5}{6}$ - 1)
  D) ($\frac{5}{2}$ - $\frac{3}{2}$)
  Show Answer
  The correct answer is A .
• Question 1419:

  

  The graph above is represented by

  Options:
  A) y = x³ - 3x - 2
  B) y = x³ + 2x² - x - 2
  C) y = x³ - 4x² + 5x - 2
  D) y = x³ - 4x + 2
  Show Answer
  The correct answer is B .
• Question 1420: What value of g will make the expression 4x² - 18xy + g a perfect square? Options:
  A) 9
  B) $\frac{9y^2}{4}$
  C) 81y^2
  D) $\frac{18y^2}{4}$
  Show Answer
  The correct answer is D .