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 1921: A car travels at an average speed of 75km/h. Find its speed in metres per second. Options:
  A) 270m/s
  B) 208m/s
  C) 27.0m/s
  D) 20.8m/s
  E) 2.08m/s
  Show Answer
  The correct answer is D .
• Question 1922: if x - 1 and x + 1 are both factors of the equation x ³ + px² + qx + 6 = 0, evaluate p and q Options:
  A) -6, -1
  B) 6, 1
  C) 1, -1
  D) 6, -6
  Show Answer
  The correct answer is A .
• Question 1923:
  

  The graph above depicts the performance ratings of two sports teams A and B in five different seasons

  In the last five seasons, what was the difference in the average performance ratings between Team B and Team A?

  Options:
  A) 1.2
  B) 6.4
  C) 4.6
  D) 1.8
  Show Answer
  The correct answer is A .
• Question 1924: The binary operation $\oplus$ is defined by x $\ast$ y = xy - y - x for all real values x and y. If x $\ast$ 3 = 2$\ast$, find x Options:
  A) -1
  B) 4
  C) 1
  D) 5
  Show Answer
  The correct answer is C .
• Question 1925: If p = $\left(\begin{array}{cc}x+3& x+2\\ x+1& x-1\end{array}\right)$ evaluate x if |p| = -10 Options:
  A) -5
  B) -2
  C) 2
  D) 5
  Show Answer
  The correct answer is D .
• Question 1926: The probability of picking a letter T from the word OBSTRUCTION is Options:
  A) $\frac{1}{11}$
  B) $\frac{2}{11}$
  C) $\frac{3}{11}$
  D) $\frac{4}{11}$
  Show Answer
  The correct answer is B .
• Question 1927:

  Find the area of a regular hexagon inscribed in a circle of radius 8cm

  Options:
  A) 16$\sqrt{3}$ cm²
  B) 96$\sqrt{3}$ cm²
  C) 192$\sqrt{3}$ cm²
  D) 16$\sqrt{3}$ cm²
  E) 33cm²
  Show Answer
  The correct answer is B .
• Question 1928:

  

  If K is a constant, which of the following equations best describes the parabola?

  Options:
  A) y = kx²
  B) x = y² - k
  C) y = k - x²
  D) x² = y² - k
  E) y = (k - x)²
  Show Answer
  The correct answer is B .
• Question 1929: The lengths of the sides of a right angled triangle are (3x + 1)cm, (3x - 1)cm and xcm. Find x Options:
  A) 2
  B) 6
  C) 18
  D) 12
  E) 5
  Show Answer
  The correct answer is D .
• Question 1930: The mean of 2 - 4, 4 + t, 3 - 2t and t - 1 is Options:
  A) t
  B) -t
  C) 2
  D) -2
  Show Answer
  The correct answer is C .