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 an empty set?
  • {empty}
  • {∅}
  • {o}
  • {}
  • {0}
Question 2
2.
Which of the following symbols represent the set of Whole numbers ?
  • R
  • N
  • W
  • Z
  • Q
Question 3
3.
Which of the following elements does not belong to the set {9,5,3,6,10}?
  • 9
  • 5
  • 3
  • 1
  • 6
Question 4
4.
If A = {1,0,6} and μ = {1,0,6,-8,8}, find A ∪ ∅
  • {-1,1,4,6,0}
  • {1,3,7}
  • {0,6,5}
  • {1,0,6}
  • {0,1}
Question 5
5.
If A = {7,8,4,-6,2} and μ = {7,8,4,-6,2,-2,9,-3}, find A ∪ A
  • {2,7,-6,8}
  • {12,-6,2,4,7}
  • {3,-1,7,8,-6,2,4}
  • {8,7,4,-6,3}
  • {2,7,4,8,-6}
Question 6
6.
If A = {2,14,10,11,12,7,1} and B = {7,6,12,4,11,0,14} , then A ∩ B =
  • {18,12,7,14,11}
  • {10,12,11,14,7}
  • {14,12,7,1,6,11}
  • {12,7,14,11}
  • {11,7,12,4,14}
Question 7
7.
If A = {0,5,4,3,7,2,1} and B = {13,1,4,0,2,3,6} , then B ∩ A =
  • {1,0,2,3,4,19}
  • {13,4,3,2,1,0}
  • {0,7,1,4,2,3}
  • {2,3,1,4,0}
  • {7,1,0,2,3,4,5}
Question 8
8.
Which of the following is 'intersection' symbol?
  • ∈
  • ⊆
  • ∉
  • ⊂
  • ∩
Question 9
9.
Which of the following are true?
a)
A ∪ A = A
b)
A ∪ A = ∅
c)
A ∩ ∅ = A
d)
A ∪ ∅ = A
e)
A ∪ ∅ = ∅
  • {c,d}
  • {c,d,a}
  • {e,b,a}
  • {a,d}
  • {b,a}
Question 10
10.
Which of the following is 'union' symbol?
  • ⊃
  • ⊆
  • ↔
  • ∈
  • ∪