ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VII - Sets
Question 1
1.
If μ = {7,-4,8,5,-2,-5,-6,6,2,-8,0,-3}, A = {7,-4,8,5,-2} and B = {-5,-6,6,-2}, find (A − B) ∪ (B − A)
  • {-4,8,5,-6,6,7,-5}
  • {-5,5,7,-4,6,-6,8,2}
  • {7,-6,2,-4,5,8,6}
  • {5,-5,-6,7,8,-4}
  • {-4,8,-6,-5,7,6}
Question 2
2.
If μ = {7,8,-5,-8,3,5,-3,0,-6,-7,4,6,1,9,-2}, A = {7,8,-5,-8,3,5} and B = {-3,0,-6,8,-7}, find A' ∪ B'
  • {1,5,-5,-2,-7,6,-3,3,7,9,-8,4,0}
  • {}
  • {6,5,1,7,-5,-8,-3,-2,9,3,0,-6,4}
  • {0,4,-3,-5,-2,3,1,6,7,9,-6,-8,-7,5}
  • {-6,-7,6,-3,1,9,-8,-2,5,3,0,-5,4}
Question 3
3.
Which of the following elements does not belong to the set {10,8,5,9,4}?
  • 6
  • 9
  • 8
  • 10
  • 5
Question 4
4.
If μ = {-1,-6,9,1,8,0,-3,-4,2,6,-9,-7,3}, A = {-1,-6,9,1,8,0} and B = {-3,-4,-1}, find (A − B)'
  • {6,-1,-3,-4,2,-7,3}
  • {-7,6,-3,-9,3,-4,2}
  • {}
  • {-3,-1,-4,3,-9,2,-7,6}
Question 5
5.
Which of the following symbols represent the set of Irrational numbers ?
  • Q
  • Z
  • Q'
  • R
  • N
Question 6
6.
Which of the following is a subset of A = {10,4,6,1,13,5,15,9,0}?
  • {14,9,0,1,15,10,5}
  • {1,5,14,9,10,8,0,15}
  • {14,2,8}
  • {5,1,0,15,9,6,13,10,8}
  • {0,5,9,15,1,10}
Question 7
7.
If μ = {-8,4,-3,5,-5,-9,-4,6,2,-1,7,1,9,3}, A = {-8,4,-3,5,-5,-9,-4} and B = {6,2,-3}, find B' ∩ A'
  • {}
  • {9,7,3,1,-1}
Question 8
8.
If μ = {-8,-4,-5,5,-3,2,4,-6,7,6,-7,3,-1,9,8,-9}, A = {-8,-4,-5,5,-3,2} and B = {5,-8,-5,4,-4,-6}, find n((A ∪ B)')
  • 8
  • 10
  • 9
  • 5
  • 7
Question 9
9.
If A = {1,0,11,12,8} and B = {14,2,11,0,8} , then A − B =
  • {2,14}
  • {12,11,1}
  • {1,12,17}
  • {1}
  • {1,12}
Question 10
10.
If A = {1,7,11,9,5,15,2,12} , B = {2,4,13,8,0,10,15,14} and C = {13,3,6,15,10,9,1}, then B ∩ (C ∩ A) =
  • {15}
  • {12,15}
  • {3,15}
  • {15,0}
  • {15,16}