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 821:

  Simplify $(\sqrt[3]{64}{a}^3{)}^{-1}$.

  Options:
  A) $4a$
  B) $\frac{1}{8a}$
  C) $8a$
  D) $\frac{1}{4a}$
  Show Answer
  The correct answer is D .
• Question 822: Simplify $\frac{3\frac{2}{3}\times \frac{5}{6}\times \frac{2}{3}}{\frac{11}{15}\times \frac{3}{4}\times \frac{2}{27}}$ Options:
  A) $5\frac{2}{3}$
  B) 30
  C) $4\frac{1}{3}$
  D) 50
  Show Answer
  The correct answer is D .
• Question 823: simplify $\frac{\frac{7}{9}-\frac{2}{3}}{\frac{1}{3}+\frac{\frac{2}{5}}{\frac{4}{5}}}$ Options:
  A) $\frac{11}{12}$
  B) $\frac{5}{6}$
  C) $\frac{1}{5}$
  D) $\frac{2}{15}$
  Show Answer
  The correct answer is D .
• Question 824: Mohammed is 8 years older than Joy now. In five years’ time he will be twice as old as Joy. How old is Joy now? Options:
  A) 1$\frac{1}{2}$years
  B) 3years
  C) 4$\frac{1}{2}$years
  D) 6 years
  E) 8 years
  Show Answer
  The correct answer is B .
• Question 825:

  Solve the logarithmic equation: $lo{g}_2(6-x)=3-lo{g}_{2}x$

  Options:
  A) $x$ = 4 or 2
  B) $x$ = -4 or -2
  C) $x$ = -4 or 2
  D) $x$ = 4 or -2
  Show Answer
  The correct answer is A .
• Question 826: If x varies directly as y³ and x = 2 when y = 1, find x when y = 5 Options:
  A) 2
  B) 10
  C) 125
  D) 250
  Show Answer
  The correct answer is D .
• Question 827: The radius of a circle is increasing at the rate of 0.02cms^-1. Find the rate at which the area is increasing when the radius of the circle is 7cm. Options:
  A) 0.75cm²S^-1
  B) 0.53cm²S^-1
  C) 0.35cm²S^-1
  D) 0.88cm²S^-1
  Show Answer
  The correct answer is D .
• Question 828: Simplify f^{$\frac{1}{2}$}g²h^{$\frac{1}{2}$} $÷$ f^{$\frac{5}{2}$}g^oh^{$\frac{7}{3}$} Options:
  A) ($\frac{g}{fh}$)²
  B) f²g²h²
  C) $\frac{5}{4}$g^oh$\frac{7}{9}$
  D) $\frac{g^2}{f^5{h}^7}$
  E) $\frac{1}{f^2{h}^2}$
  Show Answer
  The correct answer is A .
• Question 829: Tunde and Shola can do a piece of work in 18 days. Tunde can do it alone in x days, whilst Shola takes 15 days longer to do it alone. Which of the following equations is satisfied by x? Options:
  A) x² - 5x - 10 = 0
  B) x² - 20x + 360 = 0
  C) x² - 21x - 270 = 0
  D) 3x² - 65x + 362 = 0
  Show Answer
  The correct answer is C .
• Question 830:

  Determine the area of the region bounded by y = $2x^2$ + 10 andY= $4x+16$.

  Options:
  A) 18
  B) $\frac{-10}{3}$
  C) $\frac{44}{3}$
  D) $\frac{64}{3}$
  Show Answer
  The correct answer is D .