SSC Board Practice

SSC Grade X - Sets
Question 1
1.
Find n(A ∩ ∅)
  • 0
  • (-1)
  • (-3)
  • 1
  • 3
Question 2
2.
Which of the following is not equal to set A = {9,7,10,6,4,0,2}?
  • {2,10,6,0,4,9,7}
  • {0,4,6,10,7,9,2}
  • {2,0,9,7,4,10,6}
  • {6,2,4,9,10,7,1}
  • {7,2,9,10,6,4,0}
Question 3
3.
Find n(B)
  • 4
  • 2
  • 5
  • 8
  • 6
Question 4
4.
If A = {5,2,7,-8,6} and μ = {5,2,7,-8,6,9,-4,3}, find A ∪ ∅
  • {6,3,-8,2,7,5,4}
  • {2,-8,7,5,6}
  • {2,6,5,-8}
  • {7,-8,5,4,6}
  • {}
Question 5
5.
    • Given 5 sets A =
    • {6,7,3,10}
    • , B =
    • {7,10,3,6}
    • ,
    • C =
    • {10,4,2,7,8,1,6}
    • ,
    • D =
    • {18,17,14,15,12,11,13}
    • and E =
    • {9,1,5,2,3,6,7,10,4,8}
    • ,
    • which of the following are true?
a)
A = B
b)
A ⊂ C
c)
C = D
d)
A ↔ C
e)
C ↔ D
  • {c,e}
  • {b,a}
  • {d,b,a}
  • {c,e,a}
  • {a,e}
Question 6
6.
If μ = {-4,1,3,-6,-1,4,-3,-5,8,0,2,9,-9,7,-8,-7,6}, A = {-4,1,3,-6,-1,4,-3} and B = {-5,8,0,2,9,-9}, find n(A)
  • 6
  • 4
  • 7
  • 9
  • 8
Question 7
7.
    • A − B
    • =
  • {2,0,-7}
  • {2,-7}
  • {14,2,0,-7}
  • {-1,-9,5}
  • {0,9,2,-7}
Question 8
8.
Which of the following is a subset of A = {8,7,6,4,14}?
  • {11,15,5}
  • {15,6,14,8,4}
  • {6}
  • {6,5,11}
  • {6,11}
Question 9
9.
If A = {5,2,10} and B = {4,6,1} , then B − A =
  • {}
  • {4,1}
  • {4,6,1,11}
  • {0,6,1,4}
  • {1,4,6}
Question 10
10.
Find A ∩ B
  • {-2,-1}
  • {5,8,-1,-2}
  • {8,-1}
  • {-1,8,-2}
  • {-2,-5,8}