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 2431: Calculate the area of a parallelogram whose diagonals are of length 8cm and 12cm and intersect at an angle of 135° Options:
  A) 271.5cm²
  B) 135.8cm²
  C) 96.0cm²
  D) 48.0cm²
  E) 33.9cm²
  Show Answer
  The correct answer is E .
• Question 2432: Find the capacity in litres of a cylindrical well of radius 1 meter and depth 14 metres. Options:
  A) 44 000 litres
  B) 4400 litres
  C) 440 litres
  D) 44 litres
  Show Answer
  The correct answer is C .
• Question 2433:

  

  The venn diagram above shows the numbers of students offering music and history in a class of 80 students. If a student is picked at random from the class, what is the probability that he offers Music only?

  Options:
  A) 0.38
  B) 0.13
  C) 0.50
  D) 0.25
  Show Answer
  The correct answer is D .
• Question 2434: Factorize completely x²+2xy + y²+3x + 3y - 18 Options:
  A) (x+y+6)(x+y-3)
  B) (x-y-6)(x-y+3)
  C) (x-y+6)(x-y-3)
  D) (x+y-6)(x+y+3)
  Show Answer
  The correct answer is A .
• Question 2435: If T = 2$\pi$ $\sqrt{\frac{L}{g}}$, make g the subject of the formula Options:
  A) $\frac{4\pi L^2}{T}$
  B) $\frac{4{\pi }^2{L}^2}{T}$
  C) $\frac{4{\pi }^{2}L}{T}$
  D) $\frac{2\pi \sqrt{T}}{T}$
  Show Answer
  The correct answer is C .
• Question 2436:

   

  The histogram above shows the ages of the victims of a pollution. How many people were involved in the pollution?

  Options:
  A) 15
  B) 18
  C) 20
  D) 21
  Show Answer
  The correct answer is C .
• Question 2437: Thirty boys and x girls sat for a rest. The mean of the boys scores and that of the girls were respectively 6 and 8. Find x if the total scores was 468 Options:
  A) 38
  B) 24
  C) 36
  D) 22
  E) 41
  Show Answer
  The correct answer is C .
• Question 2438:

  

  The shaded region in the Venn diagram above is

  Options:
  A) P${}^{\circ }$ $\cap$(Q $\cap$ R)
  B) P $\cap$ Q
  C) P${}^{\circ }$$\cup$(Q$\cap$R)
  D) P${}^{\circ }$ $\cup$(Q $\cup$R)
  Show Answer
  The correct answer is A .
• Question 2439: 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 .
• Question 2440: Write the equation 2 log₂x - x log₂(1 + y) = 3 in a form not involving logarithms Options:
  A) 2^x(1 + y) = 3
  B) 2^x - x(1 + y) = 8
  C) x² = 8(1 + y)^x
  D) x² - x(1 + y) = 8
  E) x² - (1 + y)² = 8
  Show Answer
  The correct answer is C .