Let
S
be the universal set, where:
S
=
{
1
,
2
,
3
,
...
,
23
,
24
,
25
}
Let sets
A
and
B
be subsets of
S
, where:
Set
A
=
{
2
,
6
,
9
,
11
,
12
,
19
,
22
}
Set
B
=
{
1
,
2
,
3
,
4
,
13
,
16
,
18
,
23
,
24
,
25
}
Set
C
=
{
1
,
2
,
3
,
6
,
8
,
11
,
13
,
16
,
18
,
21
,
22
,
24
}
Find the number of elements in the set
(
A
∩
C
)
∩
B
c
n
[
(
A
∩
C
)
∩
B
c
]
=