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 1011: Simplify $\frac{3\sqrt{27a^{-9}}}{8}$ Options:
  A) $\frac{9a^2}{2a^3}$
  B) $\frac{3}{2a^3}$
  C) $\frac{2}{3a^2}$
  D) $\frac{3a^2}{2}$
  Show Answer
  The correct answer is B .
• Question 1012:

  A boy walks 800m in 20 minutes. Calculate his average speed in km/h.

  Options:
  A) 2.4
  B) 4
  C) 24
  D) 4.2
  Show Answer
  The correct answer is A .
• Question 1013: Find the value of (4^{$\frac{1}{2}$})⁶ Options:
  A) 1
  B) 2
  C) 4
  D) 6
  E) 8
  Show Answer
  The correct answer is E .
• Question 1014: Find the value of k if $\frac{5+2r}{(r+1)(r-2)}$ expressed in partial fraction is $\frac{k}{r-2}$ + $\frac{L}{r+1}$ where K and L are constants Options:
  A) 3
  B) 2
  C) 1
  D) -1
  Show Answer
  The correct answer is A .
• Question 1015: 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 1016: Simplify $\frac{x^2+y^2+xy}{x+y}$ - $\frac{x^2+y^2}{x-y}$ Options:
  A) $\frac{x^2+y^2}{(x-y{)}^2}$
  B) $\frac{2y^3}{y^2-x^2}$
  C) $\frac{3x^2+y^2}{(2x-y{)}^2}$
  D) $\frac{x^2+y^2}{(x^2-y)}$
  Show Answer
  The correct answer is B .
• Question 1017: Given that 1/2 log₁₀ P = 1, find the value Of P Options:
  A) 10⁴
  B) 10³
  C) 10²
  D) 10¹
  E) 10^-1
  Show Answer
  The correct answer is C .
• Question 1018: The binary operation * is defined on the set of integers such that p * q = pq + p - q. Find 2 * (3 * 4) Options:
  A) 11
  B) 13
  C) 15
  D) 22
  Show Answer
  The correct answer is B .
• Question 1019: Simplify $\sqrt{27}$ + $\frac{3}{\sqrt{3}}$ Options:
  A) 4$\sqrt{3}$
  B) $\frac{4}{\sqrt{3}}$
  C) 3$\sqrt{3}$
  D) $\frac{\sqrt{3}}{4}$
  Show Answer
  The correct answer is A .
• Question 1020: If sine x equals cosine x, what is x in radians? Options:
  A) $\frac{\pi }{2}$
  B) $\frac{\pi }{3}$
  C) $\frac{\pi }{4}$
  D) $\frac{\pi }{6}$
  E) $\frac{\pi }{12}$
  Show Answer
  The correct answer is C .