ICSE Board Practice

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ICSE Grade VI - Sets
Question 1
1.
Which of the following are overlapping sets?
      • {4,2,15,20,6}
      • ,
      • {}
      • {4,2,15,20,6}
      • ,
      • {6,15,13,20,2}
      • {4,2,15,20,6}
      • ,
      • {13}
      • {4}
      • ,
      • {6,15,13,20,2}
      • {4}
      • ,
      • {13}
Question 2
2.
Which of the following elements belong to the set {10,6,5,3,9}?
  • (-1)
  • 5
  • 16
  • 15
  • 0
Question 3
3.
If μ = {6,-9,-7,2,-2,7,9,-8,1,5,4,-6,-3,8,3}, A = {6,-9,-7,2,-2,7,9} and B = {-8,9,1,5}, find n(A ∩ B)
  • 4
  • 2
  • (-2)
  • 1
  • 0
Question 4
4.
If A = {1,-4,-9} and μ = {1,-4,-9,0,7}, find A ∩ A
  • {-9,-4,3,-1,1}
  • {1,-9}
  • {-2,-9,4}
  • {-9,-4,0}
  • {-4,1,-9}
Question 5
5.
If μ = {8,-8,7,-9,-7,-2,2,5,-4,1}, A = {8,-8,7,-9} and B = {8,-7,-2}, find n(A)
  • 6
  • 3
  • 1
  • 5
  • 4
Question 6
6.
Which of the following is 'intersection' symbol?
  • ∪
  • ⊄
  • ∉
  • ⊇
  • ∩
Question 7
7.
If A = {-5,-4,-3,-1,4,0,6} and μ = {-5,-4,-3,-1,4,0,6,-2,-6,-8,-9}, find A ∩ μ
  • {-8,13,-5,4,-3,-1,0}
  • {3,6,5,-1,-4,-3,0,-5,4}
  • {}
  • {6,-3,0,-1,-4,-5,4}
  • {-1,6,4,-5,0,-3}
Question 8
8.
Which of the following elements does not belong to the set {b,x,e,z,v}
  • e
  • x
  • v
  • n
  • z
Question 9
9.
If A = {3,-7,2,-5,-6,1} and μ = {3,-7,2,-5,-6,1,6,4,-8,7}, find A ∪ μ
  • {0,-6,7,-7,1,4,-8,5,3,-2}
  • {6,-6,-5,0,7,2,4,3,-7,-8}
  • {2,1,-5,0,-6,-8,-7,6,4,3,-1,7}
  • {1,-5,6,7,4,-7,-6,-8,3}
  • {3,2,7,-8,4,-5,-7,6,1,-6}
Question 10
10.
What is the cardinality of an empty set?
  • 4
  • 8
  • 7
  • 0
  • 5