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 1321: A pair of shoes was sold for N2,250.00 at a loss of 10%. What was the cost price? Options:
  A) N750.00
  B) N2,500.00
  C) N2,538.00
  D) N3,288.00
  E) N4,038.00
  Show Answer
  The correct answer is B .
• Question 1322: Calculate the mean deviation of the set of numbers 7, 3, 14, 9, 7, and 8. Options:
  A) 13/6
  B) 5/2
  C) 7/6
  D) 7/3
  Show Answer
  The correct answer is D .
• Question 1323:

  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 1324:

  If (x - a) is a factor of bx - ax + x², find the other factor.

  Options:
  A) (x + b)
  B) (x - b)
  C) (a + b)
  D) (a - b)
  Show Answer
  The correct answer is A .
• Question 1325: A man 1.7m tall observes a bird on top of a tree at an angle of 30⁰. if the distance between the man's head and the bird is 25m, what is the height of the tree? Options:
  A) 26.7m
  B) 14.2m
  C) $1.7+(25\frac{\sqrt{3}}{3}m$
  D) $1.7+(25\frac{\sqrt{2}}{2}m$
  Show Answer
  The correct answer is C .
• Question 1326: Suppose x varies inversely as y, y varies directly as the square of t and x = 1, when 1 = 3. Find x when t = $\frac{1}{3}$ Options:
  A) 81
  B) 27
  C) $\frac{1}{9}$
  D) $\frac{1}{27}$
  E) $\frac{1}{81}$
  Show Answer
  The correct answer is E .
• Question 1327:

  A sum of money was invested at 8% per annum simple interest. If after 4 years the money amounts to ₦330.00. Find the amount originally invested

  Options:
  A) ₦180.00
  B) ₦165.00
  C) ₦150.00
  D) ₦250.00
  E) ₦200.00
  Show Answer
  The correct answer is D .
• Question 1328: Make $\frac{a}{x}$ the subject of formula $\frac{x+1}{x-a}$ Options:
  A) $\frac{m-1}{m+1}$
  B) $\frac{m+1}{1-m}$
  C) $\frac{m-1}{1+m}$
  D) $\frac{m+1}{m-1}$
  Show Answer
  The correct answer is A .
• Question 1329:

  

  In the figure, PQ\SR, ST\, ST\RQ, PS = 7cm, PT = 7cm, SR = 4cm. Find the ratio of the area QRST to the area of PQRS.

  Options:
  A) 56.77
  B) 56.105
  C) 28:105
  D) 28:49
  E) 56:49
  Show Answer
  The correct answer is B .
• Question 1330:

  

  If PST is a straight line and PQ = QS = SR in the diagram, find y.

  Options:
  A) 24${}^{\circ }$
  B) 48${}^{\circ }$
  C) 72${}^{\circ }$
  D) 84${}^{\circ }$
  Show Answer
  The correct answer is A .