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 1531:

  

  Calculate the volume of the regular three-dimensional figure drawn above, where <ABC = 90° (a right-angled triangle).

  Options:
  A) 394 cm${}^3$
  B) 425 cm${}^3$
  C) 268 cm${}^3$
  D) 540 cm${}^3$
  Show Answer
  The correct answer is D .
• Question 1532:

  Find the non-zero positive value of x which satisfies the equation

  $\left[\begin{array}{ccc}x& 1& 0\\ 1& x& 1\\ 0& 1& x\end{array}\right]$ = 0

  Options:
  A) 2
  B) $\sqrt{3}$
  C) $\sqrt{2}$
  D) 1
  Show Answer
  The correct answer is C .
• Question 1533:

  $\begin{array}{ccccccc}\text{No}& 0& 1& 2& 3& 4& 5\\ \text{Frequency}& 1& 4& 3& 8& 2& 5\end{array}$.

  From the table above, find the median and range of the data respectively.

  Options:
  A) (8,5)
  B) (3, 5)
  C) (5 , 8)
  D) (5 , 3)
  Show Answer
  The correct answer is B .
• Question 1534: Multiply (x + 3y + 5) by (2x² + 5y + 2) Options:
  A) 2x² + 3yx² + 10xy + 15y² + 13y + 10x² + 2x + 10
  B) 2x³ + 6yx² + 5xy + 5y² + 31y + 5x² + 2x + 10
  C) 2x³ + 6xy² + 5xy + 15y² + 12y + 10x² + 2x = 10
  D) 2x² + 6xy² + 5xy + 15y² + 13y + 10x² + 2x + 10
  E) 2x³ + 2yx² + 10xy + 10y² + 31y + 5x² + 10
  Show Answer
  The correct answer is B .
• Question 1535:

  

  The graph is shown is correctly represented by

  Options:
  A) y = x² - x - 2
  B) y = x² - 3x + 2
  C) y = x² - x - 1
  D) y = x² + x - 2
  Show Answer
  The correct answer is A .
• Question 1536: Evaluate the inequality $\frac{x}{2}+\frac{3}{4}\le \frac{5x}{6}-\frac{7}{12}$ Options:
  A) $x\ge 4$
  B) $x\le 3$
  C) $x\ge -3$
  D) $x\le -4$
  Show Answer
  The correct answer is A .
• Question 1537: In how many ways can 6coloured chalks be arranged if 2 are same colour? Options:
  A) 60
  B) 120
  C) 240
  D) 360
  Show Answer
  The correct answer is D .
• Question 1538: 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 1539:
  

  Use the graph of sin (θ) above to estimate the value of θ when sin (θ) = -0.6 for $0^o\le \theta \le {360}^o$

  Options:
  A) θ = 223${}^o$, 305${}^o$
  B) θ = 210${}^o$, 330${}^o$
  C) θ = 185${}^o$, 345${}^o$
  D) θ = 218${}^o$, 323${}^o$
  Show Answer
  The correct answer is D .
• Question 1540: Find the value of log₁₀ r + log₁₀ r² + log₁₀ r⁴ + log₁₀ r⁸ + log₁₀ r¹⁶ + log₁₀ r³² = 63 Options:
  A) 10^-1
  B) 10^o
  C) 10
  D) 10²
  Show Answer
  The correct answer is C .