ICSE Board Practice

ICSE Grade VI - Sets
Question 1
1.
Find the cardinality of A = {-5,5,-1}
  • 3
  • 1
  • 2
  • 4
  • 6
Question 2
2.
Which of the following is a null set?
  • {-1,-4}
  • {1,5,-5,-3}
  • {2,5,-3}
  • {}
  • {4,-7,9,1,-3}
Question 3
3.
Which of the following are null sets?
a)
{empty}
b)
{2,8,5}
c)
{}
d)
e)
{∅}
  • {a,c}
  • {b,d,c}
  • {b,d}
  • {e,a,c}
  • {c,d}
Question 4
4.
If A = {5,3,6} and B = {1,7,10} , then A ∩ B =
  • {3}
  • {}
  • {3,1}
  • {1}
  • {13}
Question 5
5.
Which of the following is 'intersection' symbol?
Question 6
6.
If μ = {8,1,7,-3,-8,-4,2,-1,-9,-7,6,-2,5,4}, A = {8,1,7,-3,-8} and B = {-4,1,2,-1,-3,-9}, find n(A ∩ B)
  • 1
  • 4
  • 2
  • 0
  • 3
Question 7
7.
Which of the following elements does not belong to the set {y,z,e,x,b}
  • e
  • z
  • v
  • x
  • b
Question 8
8.
If A = {6,10,5} and B = {8,10,1} , then B ∩ A =
  • {10,5,1}
  • {6,10}
  • {14,10}
  • {10,8}
  • {10}
Question 9
9.
If A = {6,-9,-1,-5} and μ = {6,-9,-1,-5,8,3,0}, find A ∪ μ
  • {-1,-5,3,6,0,-9}
  • {5,0,-1,3,-5,-13,8}
  • {6,-9,-1,-5,0,3,8}
  • {3,8,-5,-9,-1,1,6}
  • {4,1,6,3,-9,-1,-5,0,8}
Question 10
10.
Which of the following elements does not belong to the set {2,1,3,6,4}?
  • 4
  • 5
  • 2
  • 1
  • 6