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 1381:

  Find all median of the numbers 89, 141, 130, 161, 120, 131, 131, 100, 108 and 119

  Options:
  A) 131
  B) 125
  C) 123
  D) 120
  Show Answer
  The correct answer is B .
• Question 1382: If sin x = cos 50^o, then x equals Options:
  A) 40^o
  B) 45^o
  C) 50^o
  D) 90^o
  E) 130^o
  Show Answer
  The correct answer is A .
• Question 1383:

  Which of the following is in descending order?

  Options:
  A) $\frac{9}{10}\frac{4}{5}\frac{3}{4}\frac{17}{20}$
  B) $\frac{4}{5}\frac{9}{10}\frac{3}{4}\frac{17}{20}$
  C) $\frac{9}{10}\frac{17}{20}\frac{4}{5}\frac{3}{4}$
  D) $\frac{4}{5}\frac{9}{10}\frac{17}{20}\frac{3}{4}$
  Show Answer
  The correct answer is C .
• Question 1384: The area of a circular plate is one-sixteenth the surface area of a ball of a ball, If the area of the plate is given as P cm², then the radius of the ball is Options:
  A) $\frac{2P}{\pi }$
  B) $\frac{P}{\sqrt{\pi }}$
  C) $\frac{P}{\sqrt{2\pi }}$
  D) 2$\frac{P}{\pi }$
  Show Answer
  The correct answer is D .
• Question 1385: Rationalize the expression $\frac{1}{\sqrt{2}+\sqrt{5}}$ Options:
  A) $\frac{1}{3}$($\sqrt{5}-\sqrt{2}$
  B) $\frac{\sqrt{2}}{3}$ + $\frac{\sqrt{5}}{5}$
  C) $\sqrt{2}-\sqrt{5}$
  D) 5($\sqrt{2}-\sqrt{5}$
  E) $\frac{1}{3}$($\sqrt{2}-\sqrt{5}$
  Show Answer
  The correct answer is A .
• Question 1386: The distance travelled by a particle from a fixed point is given as s = (t³ - t² - t + 5)cm. Find the minimum distance that the particle can cover from the fixed point. Options:
  A) 2.3 cm
  B) 4.0cm
  C) 5.2
  D) g
  Show Answer
  The correct answer is B .
• Question 1387:

  Find the gradient of the line joining the points (3, 2) and (1, 4).

  Options:
  A) 3/2
  B) 2/1
  C) -1
  D) 3/2
  Show Answer
  The correct answer is C .
• Question 1388:

  

  If O is the centre of the circle in the figure, find the value of x

  Options:
  A) 50
  B) 260
  C) 100
  D) 65
  E) 130
  Show Answer
  The correct answer is C .
• Question 1389: If m and n are the mean and median respectively of the set of numbers 2, 3, 9, 7, 6, 7, 8, 5, find m + 2n to the nearest whole number Options:
  A) 19
  B) 18
  C) 13
  D) 12
  Show Answer
  The correct answer is A .
• Question 1390:

  Given that I₃ is a unit matrix of order 3, find |I₃|

  Options:
  A) -1
  B) 0
  C) 1
  D) 2
  Show Answer
  The correct answer is C .