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 631: ${\int }_{-\frac{\pi }{2}}^{\frac{\pi }{2}}$cosx dx Options:
  A) 7
  B) 1
  C) 2
  D) 3
  Show Answer
  The correct answer is B .
• Question 632:

  A cylinder pipe, made of metal is 3cm thick.If the internal radius of the pipe is 10cm.Find the volume of metal used in making 3m of the pipe.

  Options:
  A) 153$\pi$cm³
  B) 207$\pi$cm³
  C) 15 300$\pi$cm³
  D) 20 700$\pi$cm³
  Show Answer
  The correct answer is D .
• Question 633:

  Three consecutive terms of a geometric progression are give as n - 2, n and n + 3. Find the common ratio

  Options:
  A) $\frac{3}{2}$
  B) $\frac{2}{3}$
  C) $\frac{1}{2}$
  D) $\frac{1}{4}$
  Show Answer
  The correct answer is A .
• Question 634: x varies directly as y and inversely as z. when x = 5, y = 2 and z = 1. What is the value of x when y = 5 and z = 2? Options:
  A) 2.5
  B) 5
  C) 6.25
  D) 6.52
  E) 7.5
  Show Answer
  The correct answer is C .
• Question 635:

  Find the range of values of x for which $\frac{(x+2)}{4}-\frac{2x-3}{3}<4$

  Options:
  A) x > -6
  B) x > -3
  C) x < 8
  D) x < 4
  Show Answer
  The correct answer is A .
• Question 636:
  

  The histogram above shows the distribution of passengers in taxis of a certain motor park. How many taxis have more than 4 passengers

  Options:
  A) 16
  B) 17
  C) 14
  D) 15
  Show Answer
  The correct answer is B .
• Question 637: In a class of 150 students, the sector in a pie chart representing the students offering Physics has angle 12^o. How many students are offering Physics? Options:
  A) 18
  B) 15
  C) 10
  D) 5
  Show Answer
  The correct answer is D .
• Question 638: If $x=\frac{y}{2}$,evaluate$(\frac{x^3}{y^3}+\frac{1}{2})÷(\frac{1}{2}-\frac{x^2}{y^2})$ Options:
  A) 5/8
  B) 5/2
  C) 5/4
  D) 5/16
  Show Answer
  The correct answer is B .
• Question 639:

  If $6x^3+2x^2-5x+1$ divides $x^2-x-1$, find the remainder.

  Options:
  A) 9x + 9
  B) 2x + 6
  C) 6x + 8
  D) 5x - 3
  Show Answer
  The correct answer is A .
• Question 640: The positive root of t in the following equation, 4t² + 7t - 1$\pi$ = 0, correct to 4 places of decimal, is Options:
  A) 1.0622
  B) 10.6225
  C) 0.1328
  D) 0.3218
  E) 2.0132
  Show Answer
  The correct answer is C .