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 1591: If (IPO3)4 = 115₁₀ find P Options:
  A) o
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is D .
• Question 1592: Evaluate $\int (2x+3{)}^{\frac{1}{2}}\delta x$ Options:
  A) $\frac{1}{12}(2x+3{)}^6+k$
  B) $\frac{1}{3}(2x+3{)}^{\frac{1}{2}}+k$
  C) $\frac{1}{3}(2x+3{)}^{\frac{3}{2}}+k$
  D) $\frac{1}{12}(2x+3{)}^{\frac{3}{4}}+k$
  Show Answer
  The correct answer is C .
• Question 1593:

  $\begin{array}{cc}Class& Frequency\\ 1-5& 2\\ 6-10& 4\\ 11-15& 5\\ 16-20& 2\\ 21-25& 3\\ 26-30& 2\\ 31-35& 1\\ 36-40& 1\end{array}$

  Find the median of the observation in the table given.

  Options:
  A) 11.5
  B) 12.5
  C) 14.0
  D) 14.5
  Show Answer
  The correct answer is D .
• Question 1594:

  Given that the various faces of a fair dice 1, 2, 3, 4, 5, 6 appeared 30, 43, 54, 40, 41, 32 times respectively in a single toss. Picture the figures as being represented in a simple table with number (X) against frequency (f).

  If a pie chart is used to depict the data, the angle corresponding to 4 is?

  Options:
  A) 10°
  B) 16°
  C) 40°
  D) 60°
  Show Answer
  The correct answer is D .
• Question 1595: Four interior angles of a pentagon are 90^o - x^o, 90^o + x^o, 110^o - 2x^o, 110^o + 2x^o. Find the fifth interior angle Options:
  A) 110^o
  B) 120^o
  C) 130^o
  D) 140^o
  Show Answer
  The correct answer is D .
• Question 1596: Find the standard deviation of 5, 4, 3, 2, 1 Options:
  A) $\sqrt{2}$
  B) $\sqrt{3}$
  C) $\sqrt{6}$
  D) $\sqrt{10}$
  Show Answer
  The correct answer is A .
• Question 1597: If cos²$\theta$ + $\frac{1}{8}$ = sin²$\theta$, find tan$\theta$ Options:
  A) 3
  B) $\frac{3\sqrt{7}}{7}$
  C) 3$\sqrt{7}$
  D) $\sqrt{7}$
  Show Answer
  The correct answer is B .
• Question 1598: Factorize k² - 2kp + p². Options:
  A) (k +p)²
  B) (k - p)²
  C) k² + p²
  D) k² - p²
  Show Answer
  The correct answer is B .
• Question 1599: Three numbers, x, y and z are connected by the relationships y = $\frac{4x}{9}$ + 1. If x = 99, find z Options:
  A) 6$\frac{1}{3}$
  B) 20
  C) 21
  D) 176$\frac{4}{9}$
  E) None of the above
  Show Answer
  The correct answer is C .
• Question 1600:

  find the range of values of values of r which satisfies the following inequality, where a, b and c are positive $\frac{r}{a}$ + $\frac{r}{b}$ + $\frac{r}{c}$ > 1

  Options:
  A) r > $\frac{abc}{bc+ac+ab}$
  B) r < abc
  C) r > $\frac{1}{a}$ + $\frac{1}{b}$ + $\frac{1}{c}$
  D) r < $\frac{1}{abc}$
  Show Answer
  The correct answer is A .