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 2361: A survey of 100 students in an institution shows that 80 students speak Hausa and 20 students speak Igbo, while only 9 students speak both language. How many students speak neither Hausa nor Igbo? Options:
  A) orange
  B) 9
  C) 11
  D) 20
  Show Answer
  The correct answer is B .
• Question 2362: A 5.0g of salt was weighted by Tunde as 5.1g. What is the percentage error? Options:
  A) 20
  B) 2
  C) 1.1
  D) 0.2
  Show Answer
  The correct answer is B .
• Question 2363:
  

  Which inequality describes the graph above?

  Options:
  A) $4y+5x\ge 20$
  B) $5y+4x\le 20$
  C) $4y+5x\le 20$
  D) $5y+4x\ge 20$
  Show Answer
  The correct answer is B .
• Question 2364: Two angles of a triangle are 450 each and its longest side is 12cm. Find the length of one of the other sides Options:
  A) 12cm
  B) 9$\sqrt{2}$cm
  C) 6$\sqrt{2}$cm
  D) 6cm
  E) 3$\sqrt{2}$cm
  Show Answer
  The correct answer is C .
• Question 2365: Given that log 2 = 0.3010, log 7 = 0.8451. Evaluate log 112. Options:
  A) 2.1461
  B) 2.0491
  C) 3.1461
  D) 2.5441
  Show Answer
  The correct answer is B .
• Question 2366: Calculate the mid point of the line segment y - 4x + 3 = 0, which lies between the x-axis and y-axis. Options:
  A) $\left(\begin{array}{cc}3& -3\\ 8& 2\end{array}\right)$
  B) $\left(\begin{array}{cc}3& 3\\ 8& 2\end{array}\right)$
  C) $\left(\begin{array}{cc}-2& 2\\ 2& 2\end{array}\right)$
  D) $\left(\begin{array}{cc}-2& 3\\ 3& 2\end{array}\right)$
  Show Answer
  The correct answer is A .
• Question 2367: If x is a positive real number, find the range of values for which $\frac{1}{3x}$ + $\frac{1}{2}$ > $\frac{1}{4x}$
  Options:
  A) 0 > -$\frac{1}{6}$
  B) x > 0
  C) 0 < x < 4
  D) 0 < x < $\frac{1}{6}$
  Show Answer
  The correct answer is D .
• Question 2368: Find the value of log${}_{\sqrt{3}}$ 81 Options:
  A) 81
  B) 16
  C) 8
  D) 3
  E) $\sqrt{3}$
  Show Answer
  The correct answer is C .
• Question 2369:

  The volume of a cylinder whose height is 4cm and whose radius 5cm is equal to (π = 3.14)

  Options:
  A) 313cm²
  B) 145cm²
  C) 314cm²
  D) 214cm²
  Show Answer
  The correct answer is C .
• Question 2370: Find the surface area of a sphere whose radius is 3.5cm, correct your answer to one decimal place (π = $\frac{22}{5}$) Options:
  A) 12.8cm²
  B) 25.7cm²
  C) 77.0cm²
  D) 154.0cm²
  E) 179.7cm²
  Show Answer
  The correct answer is D .