EduSahara™ Assignment
Name : Subsets
Chapter : Sets
Grade : ICSE Grade VII
License : Non Commercial Use
Question
1
1.
Which of the following is a subset of A = {5,2,4}?
(i)
{0,3,1}
(ii)
{5,1,4}
(iii)
{}
(iv)
{4,3,0,5}
(v)
{5,4}
Question
2
2.
Which of the following is a subset of A = {10,2,0,8,1,9}?
(i)
{4,6,3}
(ii)
{6,3}
(iii)
{0,6,10,2,9,8}
(iv)
{3}
(v)
{}
Question
3
3.
Which of the following is a subset of A = {13,0,7,3,8}?
(i)
{2,6,14}
(ii)
{14,3}
(iii)
{8,7,3,14,0}
(iv)
{3}
(v)
{6,14,3}
Question
4
4.
If A and B are disjoint sets, which of the following are true?
a)
A ∩ B= ∅
b)
A ⊂ B
c)
A ∪ B = A
d)
A ∩ B = A
e)
B ⊂ A
(i)
{a}
(ii)
{d,e,a}
(iii)
{b,a}
(iv)
{c,a}
Question
5
5.
If A = {r,b,x,f,k}, which of the following are true?
a)
{f,k}
⊂
A
b)
k
∉
A
c)
k
⊂
A
d)
k
∈
A
e)
A
⊃
k
(i)
{c,d,a}
(ii)
{c,d}
(iii)
{a,d}
(iv)
{b,a}
(v)
{e,b,a}
Question
6
6.
Given sets A, B and C, where A ⊂ B ⊂ C, which of the following are true?
a)
∅ ⊂ B
b)
B ⊃ A
c)
C ⊃ B
d)
B ⊂ A
e)
C ⊂ A
(i)
{d,a,b}
(ii)
{e,b}
(iii)
{d,e,c}
(iv)
{a,b,c}
(v)
{d,a}
Question
7
7.
If A ⊂ B, then which of the following are true?
a)
A' ⊂ B
b)
A' = B
c)
A = B
d)
B ⊃ A
e)
B ⊂ A
(i)
{b,d}
(ii)
{a,d}
(iii)
{c,e,d}
(iv)
{d}
Question
8
8.
If A ⊂ B, then which of the following are true?
a)
A ∪ B = B
b)
A ∩ B = A
c)
A ∪ B = A
d)
A ∪ B = ∅
e)
A ∩ B = B
(i)
{c,a}
(ii)
{a,b}
(iii)
{e,c,a}
(iv)
{d,b,a}
(v)
{d,b}
Question
9
9.
If A ⊂ B, then which of the following are true?
a)
A − B = ∅
b)
B − A = A
c)
A − B = B
d)
B − A = B
e)
A ∪ B = ∅
(i)
{c,a}
(ii)
{a}
(iii)
{d,e,a}
(iv)
{b,a}
Question
10
10.
Given 5 sets A =
{2,4,7,8}
, B =
{8,4,2,7}
,
C =
{3,10,9,4,8,2,6}
,
D =
{14,16,17,12,18,13,19}
and E =
{2,10,7,3,4,8,1,6,5,9}
,
which of the following are true?
a)
A ↔ C
b)
C = D
c)
C ↔ D
d)
A ⊂ C
e)
A = B
(i)
{d,a,c}
(ii)
{c,e}
(iii)
{b,e,c}
(iv)
{a,c}
(v)
{b,e}
Question
11
11.
Which of the following is 'subset' symbol?
(i)
⊃
(ii)
↔
(iii)
⊄
(iv)
⊂
(v)
⊅
Question
12
12.
Which of the following is 'subset or equal to' symbol?
(i)
∈
(ii)
⊃
(iii)
⊆
(iv)
⊄
(v)
∩
Question
13
13.
Which of the following is 'not a subset' symbol?
(i)
∈
(ii)
∪
(iii)
⊂
(iv)
⊆
(v)
⊄
Question
14
14.
Which of the following is a subset of set A = {-6,5,-9,-7,0}?
(i)
{∅}
(ii)
{8,5,0,-9,-6,-7}
(iii)
{0,-9,-7,-5,5}
(iv)
{0,-7,-6,5,-9}
(v)
μ
Question
15
15.
Which of the following is a subset of set A = {3,2,6,-7,4}?
(i)
{3,2,-9,6,-7}
(ii)
{3,-7,-4,2,4,6}
(iii)
{∅}
(iv)
∅
(v)
μ
Question
16
16.
Find the number of subsets of A = {5,0,2,3,4}
(i)
31
(ii)
32
(iii)
33
(iv)
29
(v)
35
Question
17
17.
Which of the following is a proper subset of A = {3,1,4}?
(i)
{3,1,4}
(ii)
{3,5}
(iii)
{1,4}
(iv)
{1,0}
(v)
{1,3,2}
Question
18
18.
Find the number of proper subsets of A = {3,2,5,4,1,0}
(i)
61
(ii)
65
(iii)
64
(iv)
62
(v)
63
Question
19
19.
Which of the following is not a subset of A = {7,3,8,4,0,6,1,5}?
(i)
{4,6,8,0,3,7,2}
(ii)
{4,1,7,6,3,5,8}
(iii)
{8,7,1,6,3,5,4}
(iv)
{6,3,0,1,8,5}
(v)
{7,3,8,4,0,6,1,5}
Assignment Key
1) (v)
2) (v)
3) (iv)
4) (i)
5) (iii)
6) (iv)
7) (iv)
8) (ii)
9) (ii)
10) (ii)
11) (iv)
12) (iii)
13) (v)
14) (iv)
15) (iv)
16) (ii)
17) (iii)
18) (v)
19) (i)
