SSC Board Practice

Class VI Class VII Class VIII Class IX Class X
SSC Grade X - Sets
Question 1
1.
Which of the following diagrams represent equivalent sets?
  • figure 3
  • figure 2
  • figure 4
  • figure 1
Question 2
2.
    • A − B
    • =
  • {5,7,2,-1}
  • {-5,6,0,-9}
  • {7,-1,2,8,5}
  • {14,-1,2,7,5}
  • {2,5,-1}
Question 3
3.
If μ = {5,4,-3,8,-1,9,-7,2,-9,0}, A = {5,4,-3} and B = {5,-3,8,-1,9}, find n((A − B) ∪ (B − A))
  • 1
  • 3
  • 7
  • 4
  • 5
Question 4
4.
For any two non-empty sets A and B, which of the following are true?
a)
A ∩ B = B ∩ A
b)
A ∪ B = B ∩ A
c)
A ∩ B = B ∪ A
d)
A ∪ B = B ∪ A
e)
A ∪ B = ∅
  • {a,d}
  • {b,a}
  • {c,d}
  • {c,d,a}
  • {e,b,a}
Question 5
5.
Which of the following sets have same cardinality?
a)
{0,-2,-9,-4,5}
b)
{-9,0,1,7}
c)
{-7,3,-5,8,1,-3}
d)
{8,-7,3,2,-5}
e)
{-5,8,-9,6,7,0,-8}
  • {a,d}
  • {c,d}
  • {e,b,a}
  • {b,a}
  • {c,d,a}
Question 6
6.
Find B
  • {6,5}
  • {6,5,-1,3}
  • {6,-1,5}
  • {1,5,-1}
  • {-1,6}
Question 7
7.
If A = {3,8,0,2} and B = {6,9,2,5} , then A ∪ B =
  • {5,2,6,8,3,9}
  • {6,3,9,14,8,0,2,5}
  • {2,9,6,3,0,8}
  • {12,6,2,3,5,0,8}
  • {2,8,0,5,3,6,9}
Question 8
8.
Which of the following are true?
a)
A ∪ ∅ = ∅
b)
A ∪ ∅ = A
c)
A ∪ A = A
d)
A ∩ ∅ = A
e)
A ∪ A = ∅
  • {d,c,b}
  • {d,c}
  • {e,a,b}
  • {a,b}
  • {b,c}
Question 9
9.
Which of the following is 'intersection' symbol?
  • ∪
  • ∩
  • ⊄
  • ⊅
  • ∈
Question 10
10.
Find n(A ∩ ∅)
  • 3
  • 0
  • 1
  • (-3)
  • (-1)