ICSE Board Practice

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ICSE Grade VII - Sets
Question 1
1.
If μ = {-2,1,-9,-8,-3,7,3,-1,8,-6,-5,6,-4,2}, A = {-2,1,-9,-8,-3,7} and B = {3,-1,-8,-3}, find B' ∩ A'
  • {}
  • {-4,6,-5,-6,8}
  • {-6,-5,2,-4,8,6}
Question 2
2.
Find the number of subsets of A = {2,1,0,3,5}
  • 29
  • 35
  • 33
  • 32
  • 31
Question 3
3.
If μ = {4,-7,3,-5,-8,-2,5,1,-6,-9}, A = {4,-7,3,-5} and B = {-8,3,-2}, find B
  • {-2,-8,3,1}
  • {-2,-8}
  • {-2,-8,3}
  • {-9,3,-8}
  • {-8,3}
Question 4
4.
If A = {5,4,10} and B = {2,7,6} , then B ∩ A =
  • {}
  • {7}
  • {10}
  • {6,4}
  • {11}
Question 5
5.
If μ = {-9,-1,7,-7,-2,6,-8,0,1,-5,8,9,5,2,-3}, A = {-9,-1,7,-7,-2,6,-8} and B = {0,6,1,-2}, find n(A' ∪ B')
  • 13
  • 16
  • 11
  • 12
  • 14
Question 6
6.
If μ = {2,-6,-5,-3,6,9,-8,7,4,-9,1,-1,5,8,0,-4}, A = {2,-6,-5,-3,6,9} and B = {-3,2,-8,7,4,6}, find B'
  • {}
  • {5,8,0,-6,-4,1,-1,-5,9}
  • {5,-9,9,-5,1,8,-6,0,-4,-1}
  • {9,1,-1,-9,5,8,-4,0,-6}
Question 7
7.
If A = {3,13,14} , B = {2,4,8} and C = {7,13,3,0} , then A ∪ (B ∪ C) =
  • {4,0,13,8,3,14,2}
  • {8,3,4,14,2,0,7,13}
  • {0,7,3,13,2,8,4}
  • {14,13,2,0,3,7,8}
  • {3,8,4,13,0,14,7,2,20}
Question 8
8.
Which of the following is equal to set A = {-9,0,-2}?
  • {0,-2,2,8}
  • {-5,-1,2}
  • {7,1}
  • {0,-9,-2}
  • {-9,-2,-5}
Question 9
9.
If A ⊂ B, then which of the following are true?
a)
A ∩ B = B
b)
A ∪ B = A
c)
A ∪ B = ∅
d)
A ∪ B = B
e)
A ∩ B = A
  • {d,e}
  • {b,e}
  • {a,d}
  • {b,e,d}
  • {c,a,d}
Question 10
10.
Which of the following are equivalent sets?
a)
{-8,3,-6,1}
b)
{1,6,-9}
c)
{4,2,8,9,-4}
d)
{9,-7,2}
e)
{-2,-9}
  • {a,b}
  • {c,d,b}
  • {c,d}
  • {e,a,b}
  • {b,d}