EduSahara™ Assignment
Name : Set Algebra
Chapter : Sets
Grade : ICSE Grade VIII
License : Non Commercial Use
Question 1
1.
Which of the following are true?
a)
A ∩ A' = μ
b)
A ∪ A' = A
c)
A ∪ A' = μ
d)
A ∩ A' = A
e)
A ∩ A' = ∅
f)
A ∪ A' = ∅
  • (i)
    {b,e}
  • (ii)
    {c,e}
  • (iii)
    {a,c}
  • (iv)
    {a,e,c}
  • (v)
    {d,f,c}
Question 2
2.
Which of the following are true with respect to set operations?
a)
Union distributes over intersection
b)
Intersection is associative
c)
Intersection is not associative
d)
Union does not distribute over intersection
e)
Intersection distributes over union
  • (i)
    {a,b,e}
  • (ii)
    {c,a,b}
  • (iii)
    {d,b}
  • (iv)
    {c,a}
  • (v)
    {c,d,e}
Question 3
3.
Which of the following are true with respect to set operations?
a)
Intersection is not commutative
b)
Union is commutative
c)
Union is not commutative
d)
Intersection is commutative
e)
Union is associative
  • (i)
    {a,b}
  • (ii)
    {a,b,d}
  • (iii)
    {b,d,e}
  • (iv)
    {c,d}
  • (v)
    {a,c,e}
Question 4
4.
Which of the following are true?
a)
A' ∩ B' = (A ∩ B)'
b)
A' ∩ B' = A' ∪ B'
c)
A' ∪ B' = (A ∩ B)'
d)
A' ∩ B' = (A ∪ B)'
e)
A' ∪ B' = (A ∪ B)'
  • (i)
    {b,d}
  • (ii)
    {e,a,c}
  • (iii)
    {a,c}
  • (iv)
    {c,d}
  • (v)
    {b,d,c}
Question 5
5.
Which of the following are true?
a)
A ∩ (B ∪ C) = (A ∪ B) ∩ (A ∪ C)
b)
A ∪ (B ∩ C) = (A ∩ B) ∪ (A ∩ C)
c)
(A ∪ B) ∪ C = A ∪ (B ∪ C)
d)
(A ∩ B) ∩ C = A ∩ (B ∩ C)
e)
A ∪ (B ∩ C) = (A ∪ B) ∩ (A ∪ C)
f)
A ∩ (B ∪ C) = (A ∩ B) ∪ (A ∩ C)
  • (i)
    {b,d}
  • (ii)
    {a,c}
  • (iii)
    {a,b,e}
  • (iv)
    {c,d,e,f}
  • (v)
    {a,f,c}
Question 6
6.
If A = {4,8,3,1,9}, which of the following are true?
a)
    • A
    • 8
b)
    • 8
    • A
c)
    • 8
    • A
d)
    • 8
    • A
e)
    • {8,1}
    • A
  • (i)
    {b,e,d}
  • (ii)
    {a,d}
  • (iii)
    {c,a,d}
  • (iv)
    {b,e}
  • (v)
    {d,e}
Question 7
7.
If A and B are disjoint sets, which of the following are true?
a)
A ∩ B= ∅
b)
B ⊂ A
c)
A ∪ B = A
d)
A ⊂ B
e)
A ∩ B = A
  • (i)
    {b,a}
  • (ii)
    {a}
  • (iii)
    {d,e,a}
  • (iv)
    {c,a}
Question 8
8.
If A = {b,u,l,q,n}, which of the following are true?
a)
    • {b,q}
    • A
b)
    • q
    • A
c)
    • A
    • q
d)
    • q
    • A
e)
    • q
    • A
  • (i)
    {e,b,a}
  • (ii)
    {a,d}
  • (iii)
    {c,d}
  • (iv)
    {b,a}
  • (v)
    {c,d,a}
Question 9
9.
Given sets A, B and C, where A ⊂ B ⊂ C, which of the following are true?
a)
∅ ⊂ B
b)
C ⊂ A
c)
B ⊂ A
d)
C ⊃ B
e)
B ⊃ A
  • (i)
    {b,c,e}
  • (ii)
    {a,d,e}
  • (iii)
    {c,d}
  • (iv)
    {b,a,d}
  • (v)
    {b,a}
Question 10
10.
Which of the following are true?
a)
A ∪ ∅ = A
b)
A ∪ A = A
c)
A ∪ A = ∅
d)
A ∩ ∅ = A
e)
A ∪ ∅ = ∅
  • (i)
    {d,b,a}
  • (ii)
    {e,c,a}
  • (iii)
    {a,b}
  • (iv)
    {c,a}
  • (v)
    {d,b}
Question 11
11.
If A ⊂ B, then which of the following are true?
a)
B ⊃ A
b)
A = B
c)
A' = B
d)
A' ⊂ B
e)
B ⊂ A
  • (i)
    {b,a}
  • (ii)
    {d,e,a}
  • (iii)
    {a}
  • (iv)
    {c,a}
Question 12
12.
If A ⊂ B, then which of the following are true?
a)
A ∩ B = B
b)
A ∪ B = ∅
c)
A ∪ B = A
d)
A ∪ B = B
e)
A ∩ B = A
  • (i)
    {b,e,d}
  • (ii)
    {d,e}
  • (iii)
    {b,e}
  • (iv)
    {a,d}
  • (v)
    {c,a,d}
Question 13
13.
If A ⊂ B, then which of the following are true?
a)
A − B = ∅
b)
B − A = B
c)
B − A = A
d)
A − B = B
e)
A ∪ B = ∅
  • (i)
    {d,e,a}
  • (ii)
    {a}
  • (iii)
    {b,a}
  • (iv)
    {c,a}
Question 14
14.
    • Given 5 sets A =
    • {7,10,8,2}
    • , B =
    • {10,7,2,8}
    • ,
    • C =
    • {1,7,6,9,5,3,10}
    • ,
    • D =
    • {18,17,12,15,19,14,11}
    • and E =
    • {9,3,6,1,2,10,8,4,7,5}
    • ,
    • which of the following are true?
a)
C = D
b)
A ↔ C
c)
A = B
d)
A ⊂ C
e)
C ↔ D
  • (i)
    {c,e}
  • (ii)
    {a,c}
  • (iii)
    {b,e}
  • (iv)
    {b,e,c}
  • (v)
    {d,a,c}
Question 15
15.
For any two non-empty sets A and B, which of the following are true?
a)
A ∪ B = ∅
b)
A ∩ B = B ∪ A
c)
A ∩ B = B ∩ A
d)
A ∪ B = B ∪ A
e)
A ∪ B = B ∩ A
  • (i)
    {b,d}
  • (ii)
    {c,d}
  • (iii)
    {a,c}
  • (iv)
    {e,a,c}
  • (v)
    {b,d,c}
    Assignment Key

  •  1) (ii)
  •  2) (i)
  •  3) (iii)
  •  4) (iv)
  •  5) (iv)
  •  6) (v)
  •  7) (ii)
  •  8) (ii)
  •  9) (ii)
  •  10) (iii)
  •  11) (iii)
  •  12) (ii)
  •  13) (ii)
  •  14) (i)
  •  15) (ii)