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 1411:

  

  In the diagram above, PQR is a circle centre O. If < QPR is XO, find < QRP.

  Options:
  A) x^o
  B) (90 – x)^o
  C) (90 + x)^o
  D) (180 – x)^o
  Show Answer
  The correct answer is B .
• Question 1412: In how many ways can the word MATHEMATICS be arranged? Options:
  A) 11!/(9! 2!)
  B) 11!/(9! 2! 2!)
  C) 11!/(2! 2! 2!)
  D) 11!/(2! 2!)
  Show Answer
  The correct answer is C .
• Question 1413: Write down the number 0.0052048 correct to three significant figures Options:
  A) 0.005
  B) 0.0052
  C) 0.00520
  D) 5.2048
  E) 5204
  Show Answer
  The correct answer is C .
• Question 1414: A binary operation * on the set of rational numbers is defined as $x\times y=\frac{x^2-y^2}{2xy}find-5\times 3$ Options:
  A) $\frac{-8}{15}$
  B) $\frac{8}{15}$
  C) $\frac{17}{15}$
  D) $\frac{-17}{15}$
  Show Answer
  The correct answer is A .
• Question 1415:

  Find the compound interest (CI) on ₦15,700 for 2 years at 8% per annum compounded annually.

  Options:
  A) ₦6,212.48
  B) ₦2,834.48
  C) ₦18,312.48
  D) ₦2,612.48
  Show Answer
  The correct answer is D .
• Question 1416: 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 1417: Simplify 3 log₆9 + log₆12 + log₆64 - log₆72 Options:
  A) 5
  B) 7776
  C) log₆31
  D) (7776)₆
  Show Answer
  The correct answer is A .
• Question 1418: Find the mean deviation of 20, 25, 21, 27, 28, 29, to the nearest whole number Options:
  A) 2
  B) 3
  C) 4
  D) 5
  E) 6
  Show Answer
  The correct answer is B .
• Question 1419: The ratio of the base area of a hollow cone to that of its curved surface is 1:4. If its base radius is 7cm, calculate the slant height of the cone Options:
  A) 7cm
  B) 22cm
  C) 28cm
  D) 49cm
  E) 154cm
  Show Answer
  The correct answer is C .
• Question 1420: If m = 3, p = -3, q = 7 and r = 5/2, evaluate m(p+q+r) Options:
  A) 19.50
  B) 19.15
  C) 18.95
  D) 18.05
  Show Answer
  The correct answer is A .