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 901: Obtain a maximum value of the function f(x) x³ - 12x + 11 Options:
  A) -5
  B) -2
  C) 2
  D) 27
  Show Answer
  The correct answer is D .
• Question 902:

  If $4{\sin }^{2}x-3=0$, find the value of x, when 0° $\le$ x $\le$ 90°

  Options:
  A) 90°
  B) 45°
  C) 60°
  D) 30°
  Show Answer
  The correct answer is C .
• Question 903: Calculate the perimeter of a sector of a circle of raduis 12cm and angle 60^o. Options:
  A) (12 + 4$\pi$)cm
  B) (24 + 4$\pi$)cm
  C) (12 + 6$\pi$)cm
  D) (24 + 6$\pi$)cm
  Show Answer
  The correct answer is B .
• Question 904: Find the difference between the range and the variance of the following set of numbers 4, 9, 6, 3, 2, 8, 10, 5, 6, 7 where $\sum d^2$ = 60 Options:
  A) 2
  B) 3
  C) 4
  D) 6
  Show Answer
  The correct answer is A .
• Question 905: P sold his bicycle to Q at a profit of 10%. How much did the bicycle cost P? Options:
  A) ₦200
  B) ₦196
  C) ₦180
  D) ₦205
  E) ₦150
  Show Answer
  The correct answer is A .
• Question 906:

  

  In the figure, TSP = PRQ, QR = 8cm, PR = 6cm and ST = 12cm. Find the length SP.

  Options:
  A) 4cm
  B) 16cm
  C) 9cm
  D) 14cm
  E) Impossible, insufficient data
  Show Answer
  The correct answer is B .
• Question 907: Simplify $\frac{(2m-u{)}^2-(m-2u{)}^2}{5m^2-5u^2}$ Options:
  A) $\frac{3}{5}$
  B) $\frac{2}{5}$
  C) $\frac{2m-u}{5m+u}$
  D) $\frac{m-2u}{m+5u}$
  Show Answer
  The correct answer is A .
• Question 908: If cos x = $\sqrt{\frac{a}{b}}$ find coses x Options:
  A) $\frac{b}{\sqrt{b-a}}$
  B) $\sqrt{\frac{b}{a}}$
  C) $\sqrt{\frac{b}{b-a}}$
  D) $\sqrt{\frac{b-a}{a}}$
  Show Answer
  The correct answer is C .
• Question 909: Find $\alpha$ and $\beta$ such that x^{$\frac{3}{8}$} x y^{$\frac{-6}{7}$} x ($\frac{y^{\frac{9}{7}}}{x^{\frac{45}{8}}}$)^{$\frac{1}{9}$} = $\frac{y^{\alpha }}{y^{\beta }}$ Options:
  A) $\alpha$ = 1, $\beta$ = $\frac{5}{7}$
  B) $\alpha$= 1, $\beta$ = -$\frac{5}{7}$
  C) $\alpha$= $\frac{3}{5}$, $\beta$ = -6
  D) $\alpha$= 1, $\beta$ = -$\frac{3}{5}$
  Show Answer
  The correct answer is A .
• Question 910:

  Simplify 81${}^{\frac{-3}{4}}$ x 25${}^{\frac{1}{2}}$ x 243${}^{\frac{2}{5}}$

  Options:
  A) $\frac{2}{5}$
  B) $\frac{3}{5}$
  C) $\frac{5}{2}$
  D) $\frac{5}{3}$
  Show Answer
  The correct answer is D .