All questions of Sets for Commerce Exam

• a)
  7
• b)
  5
• c)
  6
• d)
  8

• a)
  3
• b)
  10
• c)
  7
• d)
  8

 The Shaded region in the following figure illustrates

• a)
  A ∩ ( B ∪ C)
• b)
  A ∩ B ∩ C
• c)
  A ∪ B ∪ C
• d)
  (A ∩ B) ∪ (A ∩ C)

• a)
  0∈Q
• b)
  1∈Q
• c)
  2∈Q
• d)
  2/3∈Q

• a)
  {3, 6}
• b)
  {3, 12}
• c)
  {6, 9}
• d)
  {9, 12}

• a)
  {x : x is a multiple of 7, x < 7, x ∈ N}
• b)
  Set of common points of two parallel lines in a plane
• c)
  {x : 6 + 2x > 5x + 3, x ∈ N}
• d)
  Set of smallest whole number

• a)
  Set of all odd numbers
• b)
  Set of all even numbers
• c)
  Set of all integers
• d)
  Set of all prime numbers

• A:

  5

• B:

  {5,10}

• C:

  ϕ

• D:

  {5,10, 15}

The answer is c.

• a)
  A = {x:x is a prime number}
• b)
  A ={x:x is the cube of a natural number}
• c)
  A = {x:x is the square of a natural number}
• d)
  A = {x:x is an even natural number}

• A:
  Odd natural numbers divisible by 2
• B:
  The set which contains only zero as its element
• C:
  The set of even prime numbers
• D:
  The set of points common to two intersecting lines

• a)
  {1, 2, 3, 4}
• b)
  {1, 2, 3, 4, 5, 6}
• c)
  {1, 2, 4, 5}
• d)
  {3}

• A:
  8
• B:
  16
• C:
  4
• D:
  6

The shaded region in the given figure is

• a)
  A ∩ (B ∪ C)
• b)
  A − (B ∪ C)
• c)
  A ∪ (B ∩ C)
• d)
  A ∩ (B − C)

• a)
  The collection of all the months of a year
• b)
  The collection of all interesting novels
• c)
  The collection of all rich persons of Delhi
• d)
  A collection of 10 best writers of India

• a)
  set of all non mathematics teachers
• b)
  set of all language teachers
• c)
  set of all non science teachers
• d)
  Set of all science teachers

• a)
  43
• b)
  58
• c)
  28
• d)
  39

• a)
    Difference of B and A
• b)
    Difference of A and B of B and A
• c)
    None of the above
• d)
    Both a and b

• a)
  {1,3,5,7,9}
• b)
  {1,3,5,7}
• c)
  {1,3,5,6,9}
• d)
  {1,3,5,8,9}

• a)
  1 ∈ Q
• b)
  0 ∈ Q
• c)
  1/2 ∈ Q
• d)
  2 ∈ Q

• a)
  A B’
• b)
  A ∪ B’
• c)
  B’
• d)
  B – A

• a)
  Set of roots of the equation x² – 25 = 0
• b)
  Set of natural numbers
• c)
  The set of lines parallel to y – axis
• d)
  The set of numbers which are multiples of 5

• a)
  (A – B) ∩ C
• b)
  (A – B) ∪ C
• c)
  (A – B) ∩ (A – C)
• d)
  (A – C) ∩ (B – C)

• a)
  12
• b)
  32
• c)
  24
• d)
  64

• a)
  If a set has only one element, we call it a singleton set.
• b)
  Set of all even prime numbers is a subset of set of all natural numbers.
• c)
  Φ is not a subset of any set.
• d)
  Every set is a subset of itself.

• a)
  {}
• b)
  {x: x ≠ x}
• c)
  {x : x = x}
• d)
  φ

• a)
  3
• b)
  4
• c)
  5
• d)
  7

• a)
  {1,2, 3, 5, 7, 8, 9, 10}
• b)
  {1, 3, 5, 7, 8, 9, 10}
• c)
  {1, 5, 7, 9}
• d)
  {1,2, 3, …,10}

• a)
  {3, 6, 15, 18, 21}
• b)
  Φ
• c)
  {3, 15, 18, 21}
• d)
  {3, 6, 12, 18, 21}

• a)
  6 , 3
• b)
  6 , 4
• c)
  7 , 4
• d)
  3 , 3

• a)
  {3,5,7,9}
• b)
  {0,1,3,5,7,9}
• c)
  {0,2,4,6,8,10,11}
• d)
  {1,3,5,7}

• a)
  {x : a ≤ x ≤ b}
• b)
  {x : a < x ≤ b}
• c)
  {x : a < x < b}
• d)
  {x : a ≤ x < b}

• a)
  A and C
• b)
  A and B
• c)
  B and D
• d)
  B and C

• a)
  {5,6,7}
• b)
  {1,2,3,4}
• c)
  {4}
• d)
  {1,2,3}

• a)
  2
• b)
  4
• c)
  8
• d)
  None of these

• a)
  80%
• b)
  40%
• c)
  60%
• d)
  70%

• a)
  P = {a,e} and Q = Set of vowels in English alphabets
• b)
  P = {0, 1, 2, 3, 4} and Q = { x:x < 4, x ∈ N}
• c)
  P = Set of equilateral triangles in a plane and Q = Set of triangles in the plane
• d)
  P = Set of even natural numbers and Q = Set of integers

• a)
  A
• b)
  B
• c)
  B’
• d)
  none

• a)
  a finite set
• b)
  a null set
• c)
  not a well defined collection
• d)
  a singleton set

• a)
  {3, 4, 5, 6}
• b)
  {4, 16}
• c)
  { 2, 4, 8,16, 32, 64 }
• d)
  {2, 8, 32, 64}

• a)
  2
• b)
  16
• c)
  2⁸
• d)
  4

• a)
  32
• b)
  24
• c)
  128
• d)
  64

• a)
  2
• b)
  12
• c)
  24
• d)
  4

• a)
  set of all equilateral triangles
• b)
  set of all triangles which have all three angles different
• c)
  set of all isosceles triangles
• d)
  set of all triangles which do not have one right angle

• a)
  5
• b)
  14
• c)
  38
• d)
  2

• a)
  { }
• b)
  {5}
• c)
  {4,5}
• d)
  {0}

• a)
  (A ∩ B) ∪(A∩C)
• b)
  (A∪B) ∩ (A∩C)
• c)
  (A∪B) ∪ (A∪C)
• d)
  (A – B) ∩ (A – C)

• a)
  B
• b)
  A
• c)
  ∅

   
• d)
  none of these

• a)
  219
• b)
  256
• c)
  275
• d)
  510