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Mathematics
Mathematics
Problem
If
A
=
{
1
,
3
,
5
,
B
}
\mathrm{A}=\{1,3,5, \mathrm{~B}\}
A
=
{
1
,
3
,
5
,
B
}
and
B
=
{
2
,
4
}
\mathrm{B}=\{2,4\}
B
=
{
2
,
4
}
, then a)
{
4
}
⊂
A
\{4\} \subset \mathrm{A}
{
4
}
⊂
A
b) None of these c)
B
⊂
A
\mathrm{B} \subset \mathrm{A}
B
⊂
A
d)
4
∈
A
4 \in \mathrm{~A}
4
∈
A
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