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 2571: Make T the subject of the equation $\frac{av}{1-v}$ = $\sqrt{\frac{2v+T}{a+2T}}$ Options:
  A) T = $\frac{3av}{1-v}$
  B) T = $\frac{1+v}{2a^2{v}^3}$
  C) T = $\frac{2v(1-v{)}^3-a^4{v}^3}{2a^3{v}^3+(1-v{)}^2}$
  D) $\frac{2v(1-v{)}^3-a^4{v}^3}{2a^3{v}^3-(1-v{)}^3}$
  Show Answer
  The correct answer is D .
• Question 2572:

  

  From the cyclic quadrilateral above, find < TVS

  Options:
  A) 60^o
  B) 80^o
  C) 70^o
  D) 50^o
  Show Answer
  The correct answer is B .
• Question 2573:

  Evaluate $lo{g}_{\sqrt{2}}4+lo{g}_{\frac{1}{2}}16-lo{g}_{4}32$

  Options:
  A) -5.5
  B) -2.5
  C) 2.5
  D) 5.5
  Show Answer
  The correct answer is B .
• Question 2574:

  

  The table above shows that the scores of a group of students in a test. If the average score is 3.5, find the value of x

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is B .
• Question 2575:

  

  In the figure, a solid consists of a hemisphere surmounted by a right circular cone, with radius 3.0cm and height 6.0cm. Find the volume of the solid

  Options:
  A) 36$\pi$cm ³
  B) 54$\pi$cm ²
  C) 18$\pi$cm ²
  D) 108$\pi$cm ²
  Show Answer
  The correct answer is A .
• Question 2576: 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 2577:

  What will be the result obtained when the numerator of $\frac{96}{50}$ is decreased by 37.5% and its denominator decreased by 20%.

  Options:
  A) 1.5
  B) $\frac{5}{2}$
  C) $\frac{96}{48}$
  D) 0.5
  Show Answer
  The correct answer is A .
• Question 2578:

  

  The figure is an example of the construction of a

  Options:
  A) perpendicular bisector of a given straight line QR
  B) perpendicular from a given point to a given line QR
  C) perpendicular to a line from a given point P on that line
  D) given angle
  Show Answer
  The correct answer is B .
• Question 2579:

  Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed?

  Options:
  A) 210
  B) 1050
  C) 21400
  D) 25200
  Show Answer
  The correct answer is A .
• Question 2580: If a{$\frac{x+1}{x-2}-\frac{x-1}{x+2}$} = 6x. Find a in its simplest form Options:
  A) x² - 1
  B) x² + 1
  C) x² + 4
  D) x² - 4
  E) 1
  Show Answer
  The correct answer is D .