SSC Board Practice

SSC Grade X - Sets
Question 1
1.
Find the number of proper subsets of A = {1,3,5,4,0,2}
  • 66
  • 62
  • 60
  • 63
  • 64
Question 2
2.
If μ = {9,-8,-6,3,0,1,8,-7,7,-1,4}, A = {9,-8,-6} and B = {-6,3,0,1,8,-7}, find (A − B) ∪ (B − A)
  • {-8,9,0,1,3,8}
  • {3,-7,8,9,1,0}
  • {-8,4,3,0,1,9,-7,8}
  • {1,0,3,-8,-7,9,8}
  • {9,8,1,3,0,4,-8}
Question 3
3.
If μ = {0,-4,-2,-9,2,7,4,-1,-5,3,5}, A = {0,-4,-2} and B = {-9,2,7,0,4,-1}, find A − B
  • {-2}
  • {-4,3}
  • {-2,5,-4}
  • {-4,-2}
  • {}
Question 4
4.
Which of the following symbols represent the set of Whole numbers ?
  • W
  • Q
  • R
  • Q'
  • Z
Question 5
5.
Find A ∪ μ
  • {-8,-4,0,-1,-6,4,6}
  • {-7,-9,-1,8,0,-3}
  • {0,6,-4,-6,-1,-7}
  • {-6,6,0,-1,-4,-8}
  • {-7,-9,8,0,-3,3,-1,5}
Question 6
6.
If A = {13,6,5,12,7} and B = {13,12,3,0,7} , then B − A =
  • {3,18,0}
  • {3,0}
  • {3,0,13}
  • {0}
  • {}
Question 7
7.
Find n(μ)
  • 6
  • 5
  • 7
  • 4
  • 3
Question 8
8.
Find n(A ∩ A)
  • 7
  • 3
  • 5
  • 6
  • 4
Question 9
9.
Which of the following is not a subset of A = {8,7,3,9,5,2,6}?
  • {9,7,2,3,8,6}
  • {6,9,3,5,2,7}
  • {7,9,5,8,2,4}
  • {5,8,2,6,3}
  • {8,7,3,9,5,2,6}
Question 10
10.
Find ∅
  • {-1}
  • {}
  • {0,1}
  • {1}
  • {2,4,0,1}