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 211: A bag contains 4 blue and 8 red identical balls. If two balls are picked at random with replacement, what is the probability of picking two balls of different colours? Options:
  A) 1
  B) $\frac{13}{26}$
  C) $\frac{5}{18}$
  D) $\frac{4}{9}$
  E) $\frac{2}{9}$
  Show Answer
  The correct answer is D .
• Question 212:

  

  In the diagram, the tangent MN makes an angle of 55^o with the chord PS. IF O is the centre of the circle, find <RPS.

  Options:
  A) 55^o
  B) 45^o
  C) 35^o
  D) 25^o
  Show Answer
  The correct answer is C .
• Question 213: Given the scores: 4, 7, 8, 11, 13, 8 with corresponding frequencies: 3, 5, 2, 7, 2, 1 respectively. The mean score is Options:
  A) 7.0
  B) 8.7
  C) 9.5
  D) 11.0
  Show Answer
  The correct answer is B .
• Question 214: If the distance between the points (x, 3) and (-x, 2) is 5. Find x Options:
  A) 6.0
  B) 2.5
  C) $\sqrt{6}$
  D) $\sqrt{3}$
  Show Answer
  The correct answer is C .
• Question 215: The sum of four consecutive integers is 34. Find the least of these numbers Options:
  A) 7
  B) 6
  C) 8
  D) 5
  Show Answer
  The correct answer is A .
• Question 216: The time taken to do a piece of work is inversely proportional to the number of men employed. If it takes 30 men to do a piece of work in 6 days, how many men are required to do the work in 4 days? Options:
  A) 20
  B) 35
  C) 45
  D) 60
  Show Answer
  The correct answer is C .
• Question 217: Convert 27₁₀ to another number in base three Options:
  A) 1001₃
  B) 1010₃
  C) 1100₃
  D) 1000₃
  Show Answer
  The correct answer is D .
• Question 218: If $\frac{9^{2x-1}}{{27}^{x+1}}=1$find the value of x. Options:
  A) 8
  B) 5
  C) 3
  D) 2
  Show Answer
  The correct answer is B .
• Question 219:

  Tade bought 200 mangoes at 4 for ₦2.50. 30 out of the mangoes got spoilt and the remaining were sold at 2 for ₦2.40. Find the percentage profit or loss.

  Options:
  A) 43.6% loss
  B) 35% profit
  C) 63.2% profit
  D) 28% loss
  Show Answer
  The correct answer is C .
• Question 220:
  

  From the diagram above. Find the fraction of the shaded position?

  Options:
  A) $\frac{1}{3}$
  B) $\frac{1}{5}$
  C) $\frac{1}{4}$
  D) $\frac{1}{6}$
  Show Answer
  The correct answer is D .