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 1261:

  $\begin{array}{ccccccc}\text{Age}& 20& 25& 30& 35& 40& 45\\ \text{Number of people}& 3& 5& 1& 1& 2& 3\end{array}$

  Find the median age of the frequency distribution in the table above.

  Options:
  A) 20
  B) 25
  C) 30
  D) 35
  Show Answer
  The correct answer is B .
• Question 1262: Evaluate 5^-3log₅2 x 2^2log₂3 Options:
  A) 8
  B) 1¹/₈
  C) ²/₅
  D) ¹/₈
  Show Answer
  The correct answer is B .
• Question 1263: If y = x² - $\frac{1}{x}$, find $\frac{\delta y}{\delta x}$ Options:
  A) 2x - $\frac{1}{x^2}$
  B) 2x + x²
  C) 2x - x²
  D) 2x + $\frac{1}{x^2}$
  Show Answer
  The correct answer is D .
• Question 1264: A man is paid r naira per hour for normal work and double rate for overtime. if he does a 35-hour week which includes q hours of overtime, what is his weekly earning in naira? Options:
  A) r(35 + q)
  B) q(35r - q)
  C) q(35 + r)
  D) r(35 + 2q)
  Show Answer
  The correct answer is D .
• Question 1265:

  

  In the diagram above, find the value of x

  Options:
  A) 55${}^{\circ }$
  B) 50${}^{\circ }$
  C) 45${}^{\circ }$
  D) 40${}^{\circ }$
  Show Answer
  The correct answer is C .
• Question 1266: Find correct to one decimal place, 0.24633 $÷$ 0.0306 Options:
  A) 0.8
  B) 1.8
  C) 8.0
  D) 8.1
  Show Answer
  The correct answer is D .
• Question 1267: Calculate the volume of a cuboid of length 0.76cm, breadth 2.6cm and height 0.82cm. Options:
  A) 3.92cm³
  B) 2.13cm³
  C) 1.97cm³
  D) 1.62cm³
  Show Answer
  The correct answer is D .
• Question 1268: Express 130 kilometers per second in meters per hour Options:
  A) 7.8 x 10^-5
  B) 648 x 10⁶
  C) 7,800,00
  D) 4.68 x 10^-8
  E) 780 x 10⁵
  Show Answer
  The correct answer is D .
• Question 1269: A rectangular polygon has 150^o as the size of each interior angle. How many sides has the polygon? Options:
  A) 12
  B) 10
  C) 9
  D) 8
  Show Answer
  The correct answer is A .
• Question 1270:

  Find the volume of a cone which has a base radius of 5 cm and slant height of 13 cm.

  Options:
  A) $300\pi$ cm${}^3$
  B) $325\pi$ cm${}^3$
  C) $\frac{325}{3}\pi$ cm${}^3$
  D) $100\pi$ cm${}^3$
  Show Answer
  The correct answer is D .