Let
S
be the universal set, where:
S
=
{
1
,
2
,
3
,
...
,
28
,
29
,
30
}
Let sets
A
and
B
be subsets of
S
, where:
Set
A
=
{
5
,
6
,
10
,
11
,
14
,
19
,
24
,
27
,
28
,
29
,
30
}
, Set
B
=
{
2
,
7
,
16
,
20
,
21
,
25
,
26
,
27
,
28
,
30
}
, Set
C
=
{
1
,
2
,
7
,
8
,
10
,
19
,
23
,
25
}
Find the number of elements in the set
(
A
∩
C
)
∩
B
c
n
[
(
A
∩
C
)
∩
B
c
]
=