ICSE Board Practice

Class VI Class VII Class VIII Class IX Class X
ICSE Grade VI - Sets
Question 1
1.
Which of the following is 'union' symbol?
  • ∩
  • ⊅
  • ⊃
  • ⊄
  • ∪
Question 2
2.
Which of the following sets have same cardinality?
a)
{0,2,-2,-9,6,7,9,-3}
b)
{-9,-7,-1,-2,0,7,4}
c)
{1,4,-5,3,-6,2,-3,-2,0}
d)
{4,-9,6,9,5,-4}
e)
{-1,2,4,9,-2,-8,6}
  • {b,e}
  • {a,b}
  • {c,e}
  • {d,a,b}
  • {c,e,b}
Question 3
3.
Which of the following elements does not belong to the set {j,h,r,t,l}
  • t
  • l
  • s
  • j
  • h
Question 4
4.
If μ = {6,-2,-1,0,8,-7,2,-5,1,-3,-8,9,4}, A = {6,-2,-1,0} and B = {8,-7,2,-5,-1,-2}, find n(B)
  • 8
  • 7
  • 6
  • 3
  • 5
Question 5
5.
If A = {11,15,6,9,10,12,14} and B = {0,13,2,6,15,10,8} , then A ∩ B =
  • {10,11,6,15}
  • {10,15,6,18}
  • {10,6,15}
  • {15,8,10,13,6}
  • {6,15,10,8}
Question 6
6.
If A = {5,1,4,9} and B = {5,4,0,6} , then A ∪ B =
  • {0,6,9,1,5,4}
  • {0,5,4,1,6}
  • {0,5,9,1,6,14,4}
  • {1,0,4,5,9}
  • {4,14,9,6,0,1}
Question 7
7.
Which of the following is 'does not belongs to' symbol?
  • ⊃
  • ∈
  • ∉
  • ↔
  • ⊆
Question 8
8.
If μ = {0,4,-1,8,1,-7,-4,6,-5,-8,7,5}, A = {0,4,-1,8,1} and B = {-7,-1,-4,6}, find n(A ∪ B)
  • 5
  • 7
  • 9
  • 8
  • 11
Question 9
9.
If A = {-9,-4,1} and μ = {-9,-4,1,6,-3}, find A ∪ ∅
  • {-9,1,-4,0,4}
  • {-14,-8,1}
  • {}
  • {1,-4}
  • {1,-4,-9}
Question 10
10.
If A = {-1,-4,4,6,3} and μ = {-1,-4,4,6,3,-7,-5,-8}, find A ∪ A
  • {6,-4,3,-1,4}
  • {6,3,-1,-4}
  • {1,3,4,9,-4}
  • {1,2,3,6,4,-1,-4}
  • {6,1,4,-4,3}