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 1: In an acute angle-triangle XYZ, XZ = 9cm, YZ = 11cm and ∠XZY = 35° Calculate ∠YXZ, correct to the nearest degree. Options:
  A) 57°
  B) 45°
  C) 33°
  D) 16°
  E) 89°
  Show Answer
  The correct answer is E .
• Question 2: If $\frac{9^{2x-1}}{{27}^{x+1}}=1$find the value of x. Options:
  A) 8
  B) 5
  C) 3
  D) 2
  Show Answer
  The correct answer is B .
• Question 3: If p : q = $\frac{2}{3}$ : $\frac{5}{6}$ and q : r = $\frac{3}{4}$ : $\frac{1}{2}$, find p : q : r Options:
  A) 12 : 15 : 10
  B) 12 : 15 : 16
  C) 10 : 15 : 24
  D) 9 : 10 : 15
  Show Answer
  The correct answer is A .
• Question 4: A sector of angle 120° is cut out from a circle of radius 13.5cm. what area of the circle is remaining ? (π = $\frac{22}{7}$) Options:
  A) 14.1cm²
  B) 95.5cm²
  C) 190.9cm²
  D) 381.9cm²
  E) 763.7cm²
  Show Answer
  The correct answer is D .
• Question 5:

  

  The pie chart above shows the monthly distribution of a man's salary on food items. If he spent ₦8,000 on rice, how much did he spent on yam?

  Options:
  A) ₦42,000
  B) ₦18,000
  C) ₦16,000
  D) ₦12,000
  Show Answer
  The correct answer is C .
• Question 6: Given that ³√4^2x = 16, find the value of x Options:
  A) 4
  B) 6
  C) 3
  D) 2
  Show Answer
  The correct answer is C .
• Question 7: The nth term of a sequence is n² - 6n - 4. Find the sum of the 3rd and 4th terms. Options:
  A) 24
  B) 23
  C) -24
  D) -25
  Show Answer
  The correct answer is D .
• Question 8: 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 9:

  Tanθ is positive and Sinθ is negative. In which quadrant does θ lies

  Options:
  A) Second only
  B) Third only
  C) Fourth only
  D) First and third only
  Show Answer
  The correct answer is B .
• Question 10: $\left(\begin{array}{cc}-2& 1\\ 2& 3\end{array}\right)$ + $\left(\begin{array}{cc}p& q\\ r& s\end{array}\right)$ = $\left(\begin{array}{cc}1& 0\\ 0& 1\end{array}\right)$. What is the value of r? Options:
  A) -$\frac{1}{8}$
  B) $\frac{3}{8}$
  C) $\frac{5}{8}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is D .