ICSE Board Practice

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ICSE Grade VIII - Sets
Question 1
1.
If A = {12,6,15,7,10} and B = {15,13,6,1,10} , then A − B =
  • {7,17,12}
  • {7,10,12}
  • {12}
  • {7,12}
  • {13,1}
Question 2
2.
If μ = {-4,-3,1,4,7,8,3,0,-9,2,-6,9}, A = {-4,-3,1,4} and B = {7,8,1,3,4}, find n(A' ∩ B')
  • 2
  • 8
  • 5
  • 4
  • 6
Question 3
3.
If μ = {-7,-3,8,-2,2,6,9,7,1,-5,-1,4,-9,5}, A = {-7,-3,8,-2} and B = {2,-3,8,6,9,-7,7}, find n((A − B)')
  • 14
  • 13
  • 10
  • 16
  • 12
Question 4
4.
Find the number of proper subsets of A = {2,5,0,1}
  • 14
  • 16
  • 18
  • 13
  • 15
Question 5
5.
If A = {14,2,13,12,11,8,3} , B = {15,7,8,12,1,14,10} and C = {8,6,5,12,0,11,4}, then C ∩ (A ∩ B) =
  • {17,8,12}
  • {15,12,8}
  • {4,8,12}
  • {8,12}
  • {12,8,2}
Question 6
6.
If μ = {-4,6,5,11,17,14,19,-6,1,0,-8,-7,2,-9,-3,8,3,-2,7,9,15,4,10,-5},A = {-4,6,5,11,17,14,19,-6,1}, B = {0,1,-8,-7,2,-9,-3,19,-6}, C = {8,2,19,3,-2,7,11,17,9,-4}, find (A ∩ B) ∪ (A ∩ C)
  • {-6,19,11,-4,17}
  • {-6,19,-4,17,1,7}
  • {-6,19,11,-4,17,1}
  • {-6,19,-4,17,1}
  • {-6,19,11,-4,17,1,7}
Question 7
7.
    • Which of the following is the power set of A =
    • {6}
    • ?
  • {6,8}
  • {
    {}
    {6}
    		 }
  • { }
  • {
    {}
    		 }
  • {
    {}
    {6}
    {8,1}
    		 }
Question 8
8.
Which of the following is a subset of A = {3,9,4,1,6,10}?
  • {3}
  • {5,6,9,10,3,4}
  • {3,2}
  • {5,2,7}
  • {3,7,5}
Question 9
9.
If μ = {5,-3,7,9,-4,-8,2,-7,-1,-5,1}, A = {5,-3,7,9} and B = {5,-4,-8,-3}, find n(B − A)
  • 2
  • 3
  • 5
  • (-1)
  • 1
Question 10
10.
Find the cardinality of A = {-6,1,3,9,0,8,-5,-9}
  • 9
  • 10
  • 7
  • 8
  • 5