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 1491:

  A rectangular picture 6cm by 8cm is enclosed by a frame $\frac{1}{2}$cm wide. Calculate the area of the frame.

  Options:
  A) 15sq.cm
  B) 20sq.cm
  C) 13sq.cm
  D) 16sq.cm
  Show Answer
  The correct answer is A .
• Question 1492: If M represents the median and D the mode of the measurements 5, 9, 3, 5, 7, 5, 8, then (M, D) is Options:
  A) (6, 5)
  B) (5, 8)
  C) (5, 7)
  D) (5, 5)
  E) (7, 5)
  Show Answer
  The correct answer is D .
• Question 1493: a binary operation $\oplus$ o the set of rational numbers is defined as x $\oplus$ y = $\frac{x^2-y^2}{2xy}$. Find -5 $\oplus$ 3 Options:
  A) $\frac{8}{15}$
  B) -$\frac{17}{15}$
  C) $\frac{17}{15}$
  D) $\frac{8}{-15}$
  Show Answer
  The correct answer is D .
• Question 1494:

  PQRS is a rhombus. If PR² + QS² = KPQ², determine k

  Options:
  A) 1
  B) 2
  C) 3
  D) 4
  Show Answer
  The correct answer is D .
• Question 1495: The lengths of the sides of a right angled triangle are (3x + 1)cm, (3x - 1)cm and xcm. Find x Options:
  A) 2
  B) 6
  C) 18
  D) 12
  E) 5
  Show Answer
  The correct answer is D .
• Question 1496:

  4, 16, 30, 20, 10, 14 and 26 are represented on a pie chart. Find the sum of the angles of the bisectors representing all numbers equals to or greater than 16.

  Options:
  A) 48^o
  B) 84^o
  C) 92^o
  D) 276^o
  Show Answer
  The correct answer is D .
• Question 1497: How many three-digit numbers can be formed from 32564 without repeating any of the digits? Options:
  A) 120
  B) 10
  C) 20
  D) 60
  Show Answer
  The correct answer is D .
• Question 1498: Find the mean of the following 24.57, 25.63, 24.32, 26.01, 25.77 Options:
  A) 25.12
  B) 25.30
  C) 25.26
  D) 25.50
  E) 25.75
  Show Answer
  The correct answer is C .
• Question 1499: Given that for sets A and B, in a universal set E, A $\subseteq$ B then A $\cap$(A $\cap$ B)¹ is Options:
  A) A
  B) $\varphi$
  C) B
  D) E
  Show Answer
  The correct answer is B .
• Question 1500: In a restaurant, the cost of providing a particular type of food is partly constant and partially inversely proportional to the number of people. If cost per head for 100 people is 30k and the cost for 40 people is 60k, Find the cost for 50 people? Options:
  A) 15k
  B) 20k
  C) 50k
  D) 40k
  E) 45k
  Show Answer
  The correct answer is C .