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 'does not belongs to' symbol?
  • ⊇
  • ∈
  • ⊃
  • ⊂
  • ∉
Question 2
2.
Which of the following is a null set?
  • {8,9,-8,-2}
  • {4,8,-8,7,-6}
  • {-8,1,2}
  • {}
  • {-7,0}
Question 3
3.
If μ = {4,-2,-1,-4,8,-9,1,5,-5,-7,-3,7,-8,9}, A = {4,-2,-1,-4,8,-9,1} and B = {5,-2,-4}, find n(A ∪ B)
  • 11
  • 8
  • 6
  • 7
  • 9
Question 4
4.
Which of the following elements does not belong to the set {z,a,i,m,e}
  • a
  • z
  • m
  • n
  • i
Question 5
5.
If A = {5,1,4} and B = {2,1,5} , then A ∪ B =
  • {4,1,2}
  • {10,4,2,1,5}
  • {2,1,4,5}
  • {4,5,2}
  • {10,5,1,4}
Question 6
6.
Which of the following is a null set?
  • {0}
  • ∅
  • {∅}
  • {o}
  • {empty}
Question 7
7.
Which of the following are true?
a)
A ∪ A = A
b)
A ∩ ∅ = A
c)
A ∪ ∅ = A
d)
A ∪ ∅ = ∅
e)
A ∪ A = ∅
  • {b,a}
  • {a,c}
  • {d,c}
  • {e,b,a}
  • {d,c,a}
Question 8
8.
If A = {7,10,5} and B = {2,7,6} , then A ∩ B =
  • {7}
  • {5,7}
  • {15,7}
  • {7,5,2}
  • {7,6}
Question 9
9.
If A = {0,8,3,15,7} and B = {15,2,13,5,7} , then B ∪ A =
  • {5,8,3,13,2,15,0,19,7}
  • {5,7,3,0,15,2,8,13}
  • {7,3,8,5,15,13,2,19}
  • {15,13,0,7,2,5,8}
  • {15,0,8,5,3,13,2}
Question 10
10.
If A = {1,8,9,7,4} and B = {0,4,1,8,9} , then B ∩ A =
  • {4,8,1,9}
  • {1,0,4,9,8}
  • {7,1,4,9,8}
  • {4,9,12,1,8}
  • {8,4,9,1,0,7}