ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VIII - Sets
Question 1
1.
If μ = {-8,8,-2,9,-1,4,0,5,3,-9,-7,1,-3}, A = {-8,8,-2,9,-1,4} and B = {0,5,-8}, find A
  • {9,-2,8,4,-8,-1}
  • {-2,-1,1,9,8,4}
  • {-1,8,-8,-2,9}
  • {4,-9,-8,-2,8,9,-1}
  • {-1,-2,9,4,8}
Question 2
2.
If μ = {-7,11,-4,2,-8,-9,-1,-3,-6,3,9,8,12,-2,-5,4,6,5,1,0,10},A = {-7,11,-4,2,-8,-9,-1}, B = {-3,-6,3,9,11,-9,-7,-8}, C = {-3,8,2,12,9,-6}, find (B ∩ C)'
  • {-5,6,8,-4,-8,10,12,1,2,-7,-2,-9,4,-1,5,3,0,11,9}
  • {-5,6,8,-4,-8,10,12,1,2,-2,-9,4,-1,5,3,0,11}
  • {-5,6,8,-4,-8,10,12,1,2,-7,-2,-9,4,-1,5,3,0,11}
  • {-5,6,-4,-8,10,12,1,2,-7,-2,-9,4,-1,5,3,0,11}
  • {-5,6,8,-4,-8,10,12,1,2,-2,-9,4,-1,5,3,0,11,9}
Question 3
3.
If μ = {3,14,21,0,-5,17,15,6,19,-9,-1,-4,11,-3,7,13,16,-2,-8,20,-7,12,2,9,10,8,4},A = {3,14,21,0,-5,17,15,6,19,-9}, B = {15,-1,6,-4,11,19,3,-3,7,13}, C = {16,-2,-8,3,0,-4,20,-7,19,7}, find B − (C ∩ A)
  • {6,-1,15,-4,-3,11,7,13,21}
  • {6,-1,15,-4,-3,7,13}
  • {6,-1,15,-4,11,7,13,21}
  • {6,-1,15,-4,-3,11,7,13}
  • {6,-1,15,-4,11,7,13}
Question 4
4.
If μ = {1,4,-3,-1,-6,-2,8,9,-4,-9,5,2,0,6,-8}, A = {1,4,-3,-1,-6,-2} and B = {-3,8,9,-4,-9}, find n((A − B)')
  • 12
  • 8
  • 9
  • 11
  • 10
Question 5
5.
If A = {5,4,1,2,8} and B = {15,14,11,1,8} , then A − B =
  • {5,4}
  • {2,4,5}
  • {11,14,15}
  • {2,4,8,5}
  • {5,19,4,2}
Question 6
6.
If μ = {7,-6,5,3,8,4,2,6,-8,-4}, A = {7,-6,5,3} and B = {8,-6,5}, find A' ∩ B'
  • {4,2,6,-8,-4}
  • {}
  • {4,6,-8,2}
Question 7
7.
If μ = {-6,12,5,9,-3,-9,14,-1,10,15,7,2,1,-2,-5,-8,3,13,-7,0,4,11,6},A = {-6,12,5,9,-3,-9,14,-1,10}, B = {-3,-1,-6,15,7,2,-9,1,10}, C = {1,-2,-5,-3,-8,-1,12}, find A ∪ B ∪ C
  • {-6,10,2,-5,5,14,1,12,-3,7,-9,-8,-2,9,-1,0}
  • {-6,10,2,-5,5,14,1,12,-3,7,-9,-8,-2,9,-1}
  • {-6,10,2,-5,5,14,1,12,15,-3,7,-9,-2,9,-1}
  • {-6,10,2,-5,5,14,1,12,15,-3,7,-9,-8,-2,9,-1,0}
  • {-6,10,2,-5,5,14,1,12,15,-3,7,-9,-8,-2,9,-1}
Question 8
8.
If μ = {3,-8,-3,8,-1,-9,-5,4,-7,-6,-4,9}, A = {3,-8,-3} and B = {8,-1,-9,-8,-5,4,-7}, find (A − B) ∪ (B − A)
  • {3,-3,4,-1,-7,-9,8,-5}
  • {-9,8,-5,4,-1,-7,3}
  • {-3,8,-7,-5,9,-9,4,-1}
  • {-9,-5,4,-3,-7,8,9,3,-1}
  • {-5,8,-7,-3,-1,-9,3}
Question 9
9.
If μ = {13,15,-4,14,12,-7,9,2,-8,8,11,-5,6,-1,0,10,16,3,5},A = {13,15,-4,14,12,-7,9,2}, B = {-8,8,9,11,-7,14,-5,15,6}, C = {13,12,-1,6,0,10,16,14,-7}, find A − (A ∩ (B ∩ C))
  • {13,12,2,9,15,-4}
  • {13,12,9,15,-4,-1}
  • {13,12,2,15,-4}
  • {13,12,2,9,15,-4,3}
  • {13,12,2,15,-4,3}
Question 10
10.
Which of the following is 'does not belongs to' symbol?
  • ⊃
  • ∉
  • ∈
  • ⊂
  • ∪