SSC Board Practice

SSC Grade X - Sets
Question 1
1.
Which of the following is not equal to set A = {9,4,7,5,10,8,3,0,2,6}?
  • {9,8,0,7,5,2,3,4,10,6}
  • {9,4,3,10,2,8,7,0,5,6}
  • {5,8,3,6,2,4,0,9,7,10}
  • {2,9,0,10,4,8,7,3,1,5}
  • {10,5,3,6,0,8,2,9,7,4}
Question 2
2.
If μ = {-2,-1,9,-8,3,8,2,0,-5,4,-6,7,-7,6,-4}, A = {-2,-1,9,-8,3,8,2} and B = {-2,0,-5,4}, find A ∩ B
  • {}
  • {-2,-4}
  • {7}
  • {-2}
Question 3
3.
Which of the following is 'equivalent set' symbol?
  • ⊆
  • ↔
  • ⊇
  • ∪
  • ⊃
Question 4
4.
Which of the following is 'subset or equal to' symbol?
  • ↔
  • ⊄
  • ∪
  • ⊂
  • ⊆
Question 5
5.
Find n((A − B) ∪ (B − A))
  • 4
  • 2
  • 5
  • 0
  • 3
Question 6
6.
If A = {z,h,y,q,c}, which of the following are true?
a)
    • {z,y}
    • ⊂
    • A
b)
    • z
    • ∉
    • A
c)
    • z
    • ∈
    • A
d)
    • z
    • ⊂
    • A
e)
    • A
    • ⊃
    • z
  • {b,a}
  • {a,c}
  • {d,c,a}
  • {e,b,a}
  • {d,c}
Question 7
7.
Find n(A)
  • 7
  • 4
  • 8
  • 6
  • 5
Question 8
8.
The symmetric difference of set A = {1,10,4,5,7} and set B = {5,8,9,6,7} is
  • {8,10,9,1,6}
  • {4,10,1}
  • {9,6,8}
  • {4,10,9,1,8,6,7}
  • {8,10,1,4,9,6}
Question 9
9.
Which of the following is not a superset of A = {2,0,7,4,1,3}?
  • {7,3,4,1,0,2}
  • {0,4,3,2,1,7,6}
  • {1,0,2,7,6,3}
  • {1,4,8,2,0,7,3}
  • {2,9,1,7,3,4,0}
Question 10
10.
Which of the following are true?
a)
A ∩ ∅ = A
b)
A ∪ ∅ = ∅
c)
A ∪ A = A
d)
A ∪ ∅ = A
e)
A ∪ A = ∅
  • {c,d}
  • {b,d}
  • {e,a,c}
  • {a,c}
  • {b,d,c}