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 1101: Find the equation of the locus of a point P(x,y) which is equidistant from Q(0,0) and R(2,1). Options:
  A) 4x + 2y = 5
  B) 4x - 2y = 5
  C) 2x + 2y = 5
  D) 2x + y = 5
  Show Answer
  The correct answer is A .
• Question 1102:

  A binary operation $\oplus$ on real numbers is defined by x $\oplus$ y = xy + x + y for any two real numbers x and y. The value of (-$\frac{3}{4}$) $\oplus$ 6 is

  Options:
  A) -$\frac{3}{4}$
  B) $\frac{45}{4}$
  C) -$\frac{4}{3}$
  D) $\frac{3}{4}$
  Show Answer
  The correct answer is A .
• Question 1103: If x = $\left(\begin{array}{cc}1& 2\\ 0& 3\end{array}\right)$ and y = $\left(\begin{array}{cc}2& 1\\ 4& 3\end{array}\right)$. Find xy. Options:
  A) $\left(\begin{array}{cc}10& 7\\ 12& 9\end{array}\right)$
  B) $\left(\begin{array}{cc}2& 7\\ 4& 17\end{array}\right)$
  C) $\left(\begin{array}{cc}10& 4\\ 4& 6\end{array}\right)$
  D) $\left(\begin{array}{cc}4& 3\\ 10& 9\end{array}\right)$
  Show Answer
  The correct answer is A .
• Question 1104:

  

  In the figure, $△$ ABC are in adjacent planes. AB = AC = 5cm, BC = 6cm and o then AE is equal to

  Options:
  A) 3$\sqrt{2}$
  B) 2$\sqrt{3}$
  C) $\frac{\sqrt{3}}{2}$
  D) $\frac{2}{\sqrt{3}}$
  Show Answer
  The correct answer is B .
• Question 1105:

  

  Find x in the diagram below.

  Options:
  A) 3$\sqrt{3}$
  B) $\frac{3(\sqrt{3}-1)}{\sqrt{3}+1}$
  C) $\frac{(\sqrt{3}-1)}{\sqrt{3}+1}$
  D) $\frac{3-1}{\sqrt{3}+1}$
  Show Answer
  The correct answer is B .
• Question 1106:

  

  Three straight lines EF, GH and LK interest at O as shown above. If ∠KOF = 52${}^{\circ }$ and ∠LOH = 85${}^{\circ }$, calculate the size of ∠EOG.

  Options:
  A) 26${}^{\circ }$
  B) 43${}^{\circ }$
  C) 52${}^{\circ }$
  D) 85${}^{\circ }$
  Show Answer
  The correct answer is B .
• Question 1107: If y = x² - 2x - 3, Find the least value of y and corresponding value of x Options:
  A) x = 3, y = 3
  B) x = 1, y = -3
  C) x = 4, y = 1
  D) x = 1, y = -4
  E) x = 2, y = -3
  Show Answer
  The correct answer is D .
• Question 1108: Make $\frac{a}{x}$ the subject of formula $\frac{x+1}{x-a}$ Options:
  A) $\frac{m-1}{m+1}$
  B) $\frac{m+1}{1-m}$
  C) $\frac{m-1}{1+m}$
  D) $\frac{m+1}{m-1}$
  Show Answer
  The correct answer is A .
• Question 1109:

  Evaluate ${\int }_0^{1}4x-6\sqrt[3]{x^2}dx$

  Options:
  A) - $\frac{5}{8}$
  B) - $\frac{8}{5}$
  C) $\frac{8}{5}$
  D) $\frac{5}{8}$
  Show Answer
  The correct answer is B .
• Question 1110: Find the variance of 2, 6, 8, 6, 2 and 6 Options:
  A) 6
  B) 5
  C) √6
  D) √5
  Show Answer
  The correct answer is B .