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 1701:
  

  In the diagram above, XY = 8cm and OX = 5cm. Find Oz

   

  Options:
  A) 9cm
  B) 3.4cm
  C) 9.1cm
  D) 3cm
  Show Answer
  The correct answer is D .
• Question 1702:

  If a car runs at a constant speed and takes 4.5 hrs to run a distance of 225 km, what time will ittake to run 150 km?

  Options:
  A) 2 hrs
  B) 4 hrs
  C) 3 hrs
  D) 1 hr
  Show Answer
  The correct answer is C .
• Question 1703: If p = varies inversely as the square of q and p=8 when q=4, find when p=32 Options:
  A) +/-16
  B) +/-8
  C) +/-4
  D) +/-2
  Show Answer
  The correct answer is D .
• Question 1704:

  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 1705: Two ladders of length 5m and 7m lean against a pole and make angles 45° and 60° with the ground respectively. What is their distance apart on the pole correct to two decimal places? Options:
  A) 9.60m
  B) 6.06m
  C) 2.54m
  D) 2.53m
  E) 2.00m
  Show Answer
  The correct answer is D .
• Question 1706: If the scores of 3 students in a test are 5, 6 and 7, find the standard deviation of their scores Options:
  A) $\frac{2}{3}$
  B) $\frac{2}{3}\sqrt{3}$
  C) $\sqrt{\frac{2}{3}}$
  D) $\sqrt{\frac{3}{2}}$
  Show Answer
  The correct answer is C .
• Question 1707: A bucket is 12 cm in diameter at the top, 8 cm in diameterat the bottom and 4 cm deep. Calculate its volume. Options:
  A) 304π/3 cm³
  B) 144π cm³
  C) 128π cm³
  D) 72π cm³
  Show Answer
  The correct answer is A .
• Question 1708: The n^th term of the progression $\frac{4}{2}$, $\frac{7}{3}$, $\frac{10}{4}$, $\frac{13}{5}$ is ... Options:
  A) $\frac{1-3n}{n+1}$
  B) $\frac{3n+1}{n+1}$
  C) $\frac{3n+1}{n-1}$
  D) $\frac{3n-1}{n+1}$
  Show Answer
  The correct answer is B .
• Question 1709: 2 bags of sugar at N_x per bag are mixed with 3 bags of sugar at N_y per bag. What is the cost in N of the mixture per bag? Options:
  A) $\frac{(2x+3y)}{5}$
  B) $\frac{(x+y)}{2}$
  C) $\frac{x}{2}+\frac{y}{3}$
  D) $\frac{(x+y)}{5}$
  E) $\frac{(3x+2y)}{5}$
  Show Answer
  The correct answer is A .
• Question 1710: If log₂ y = 3 - log₂x $\frac{3}{2}$ find y when x = 4 Options:
  A) 8
  B) $\sqrt{65}$
  C) 4$\sqrt{2}$
  D) 3
  E) 1
  Show Answer
  The correct answer is E .