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 1581: Add 1101₂,10111₂ and 111₂ Options:
  A) 111011₂
  B) 110110₂
  C) 101011₂
  D) 101010₂
  Show Answer
  The correct answer is C .
• Question 1582: Find $\frac{dy}{dx}$. If y = 3x³ + 2x² + 3x + 1 Options:
  A) 9x² + 4x + 3
  B) 9x² - 4x - 3
  C) 9x² + 4x - 3
  D) 9x² - 4x + 3
  Show Answer
  The correct answer is A .
• Question 1583:

  If y = x² - x - 12, find the range of values of x for which y $\ge$ 0,

  Options:
  A) -3 $<$ x $\le$ 4
  B) x $<$ -3 or x $>$ 4
  C) -3 $\le$ x $\le$ 4
  D) x $\le$ -3 or x $\ge$ 4
  Show Answer
  The correct answer is C .
• Question 1584: Find at which rate per annum simple interest ₦525 will amount to ₦588 in 3 years. Options:
  A) 3%
  B) 2%
  C) 5%
  D) 4%
  Show Answer
  The correct answer is D .
• Question 1585:

  

  Find the length XY in the triangle above.

  Options:
  A) √7 m
  B) √6 m
  C) √5 m
  D) √3 m
  Show Answer
  The correct answer is A .
• Question 1586: If y = (1 + x)², find $\frac{dy}{dx}$ Options:
  A) x - 1
  B) 2 + 2x
  C) 1 + 2x
  D) 2x - 1
  Show Answer
  The correct answer is B .
• Question 1587: Which of the following is a factor of rs + tr - pt - ps? Options:
  A) (p - s)
  B) (s - p)
  C) (r - p)
  D) (1 + p)
  Show Answer
  The correct answer is C .
• Question 1588: If f (x) = 3x - 2, P = $\left(\begin{array}{cc}2& 1\\ -1& 0\end{array}\right)$ and I is 2 X 2 identity matrix, evaluate f(P) Options:
  A) $\left(\begin{array}{cc}6& 3\\ -3& 0\end{array}\right)$
  B) $\left(\begin{array}{cc}2& 0\\ 0& 2\end{array}\right)$
  C) $\left(\begin{array}{cc}8& 3\\ -3& 2\end{array}\right)$
  D) $\left(\begin{array}{cc}4& 3\\ -3& -2\end{array}\right)$
  Show Answer
  The correct answer is D .
• Question 1589: Evaluate $\frac{\frac{1}{10}\times \frac{2}{3}+\frac{1}{4}}{\frac{\frac{1}{2}}{\frac{3}{5}}-\frac{1}{4}}$ Options:
  A) $\frac{7}{12}$
  B) $\frac{19}{35}$
  C) $\frac{2}{25}$
  D) $\frac{19}{60}$
  Show Answer
  The correct answer is B .
• Question 1590: 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 .