SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade X - Sets
Question 1
1.
If A = {7,5,10,6} and B = {9,1,8,6} , then A − B =
  • {7,5,10}
  • {10,14,7,5}
  • {7,5}
  • {6,5,10,7}
  • {9,1,8}
Question 2
2.
Which of the following sets have same cardinality?
a)
{-2,-9,-3,1,3,-8,7,4}
b)
{7,-4,-3,5,9,6,-2}
c)
{2,6,9,-3,3,8,-5,0,7}
d)
{3,9,-2,7,4,2,1}
e)
{-5,6,7,-2,-4,-7}
  • {a,b}
  • {c,d}
  • {c,d,b}
  • {b,d}
  • {e,a,b}
Question 3
3.
If A = {7,6,1} and B = {0,4,8} , then A ∩ B =
  • {6}
  • {15}
  • {}
  • {8}
  • {0,1}
Question 4
4.
Which of the following are true?
a)
A ∪ A' = A
b)
A ∩ A' = A
c)
A ∪ A' = μ
d)
A ∩ A' = ∅
e)
A ∪ A' = ∅
f)
A ∩ A' = μ
  • {b,d}
  • {a,d,c}
  • {e,f,c}
  • {c,d}
  • {a,c}
Question 5
5.
Which of the following is a singleton set?
  • {-9,-2,2}
  • {-9}
  • {5,-4,6,3}
  • {8,4,2,-7,0}
  • {4,3}
Question 6
6.
If A = {-5,0,-1,9,-9} and μ = {-5,0,-1,9,-9,2,6,3}, find A ∩ A
  • {-5,12,0,-9,-2}
  • {9,-1,0,-9,-5}
  • {-9,-5,0,9}
  • {-1,-9,5,9,0,-5,1}
  • {}
Question 7
7.
Which of the following is 'does not belongs to' symbol?
  • ∉
  • ⊃
  • ∩
  • ∪
  • ⊂
Question 8
8.
If A ⊂ B, then which of the following are true?
a)
B ⊂ A
b)
A' ⊂ B
c)
A' = B
d)
B ⊃ A
e)
A = B
  • {b,d}
  • {c,e,d}
  • {d}
  • {a,d}
Question 9
9.
If A = {1,5,0,9,8} and B = {4,5,3,1,0} , then A ∩ B =
  • {5,0,1,3,8}
  • {0,5,1,11}
  • {0,5,1}
  • {0,5,1,3}
  • {5,1,0,8}
Question 10
10.
    • A ∩ B
    • =
  • {-6,2}
  • {9,2,-6,-8}
  • {2,6,-6}
  • {2,-1,-6}
  • {13,2,-6}