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 501: Find m such that (m + $\sqrt{3}$)(1 - $\sqrt{3}$)² = 6 - 2$\sqrt{2}$ Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is C .
• Question 502: Simplify 2$\frac{5}{12}$ - 1$\frac{7}{8}$ x $\frac{6}{5}$ Options:
  A) $\frac{1}{6}$
  B) $\frac{13}{20}$
  C) $\frac{11}{30}$
  D) $\frac{9}{4}$
  E) $\frac{5}{3}$
  Show Answer
  The correct answer is A .
• Question 503:

  Find T in terms of K, Q and S if S = 2r($\pi$QT + K)

  Options:
  A) $\frac{S^2}{2\pi r^{2}Q}-\frac{k}{Q}$
  B) $\frac{S^2}{4\pi r^{2}Q}$ - k
  C) $\frac{S^2}{4\pi r^{2}Q}-\frac{k}{Q}$
  D) $\frac{s^2}{4\pi r^{2}Q}$
  Show Answer
  The correct answer is B .
• Question 504: Simplify $\frac{(1.25\times {10}^{-4})\times (2.0\times {10}^{-1})}{(6.25\times {10}^5)}$ Options:
  A) 4.0 x 10^-3
  B) 5.0 x 10^-2
  C) 2.0 x 10^-1
  D) 5.0 x 10^-3
  Show Answer
  The correct answer is A .
• Question 505:

  Evaluate the following limit: $li{m}_{x\to 2}\frac{x^2+4x-12}{x^2-2x}$

  Options:
  A) 4
  B) 8
  C) 0
  D) 2
  Show Answer
  The correct answer is A .
• Question 506: If w varies inversely as V and U varies directly as w³, Find the relationship between u and v given that u = 1, when v = 2 Options:
  A) u = $\frac{8}{v^3}$
  B) v = $\frac{8}{u^2{v}^3}$
  C) u = 8v³
  D) v = 8u²
  Show Answer
  The correct answer is A .
• Question 507:

  Find the distance between the points (-2, -3) and (-2, 4).

  Options:
  A) 3.0m
  B) 2.4m
  C) 3.2m
  D) 7.0m
  Show Answer
  The correct answer is D .
• Question 508: The ratio of the areas of similar triangles is necessarily equal to Options:
  A) the ratio of the corresponding sides
  B) the ratio of the squares on corresponsing sides
  C) the ratio of the corresponding heights of the triangles
  D) half the ratio of the corresponding heights of the triangles
  E) the ratio of the corresponding bases to the heights of the triangles
  Show Answer
  The correct answer is C .
• Question 509:

  Find the missing value in the following table:

  $\begin{array}{ccccccc}x& -2& -1& 0& 1& 2& 3\\ y=x^3-x+3& & 3& 3& 3& 9& 27\end{array}$

  Options:
  A) -3
  B) 3
  C) -9
  D) 13
  E) 9
  Show Answer
  The correct answer is A .
• Question 510: A man 40m from the foot of a tower observes the angle of elevation of the tower to be 30^o, Determine the height of the tower Options:
  A) 40m
  B) 40$\sqrt{3}$m
  C) 20m
  D) $\frac{40\sqrt{3}}{3}$
  Show Answer
  The correct answer is D .