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Question
Mathematics
If n(A) = 4, n(B) = 3, n(A × B × C) = 24, then n(C) =
Q. If
n
(
A
)
=
4
,
n
(
B
)
=
3
,
n
(
A
×
B
×
C
)
=
24
, then
n
(
C
)
=
1978
211
Relations and Functions
Report Error
A
288
7%
B
1
4%
C
12
16%
D
2
73%
Solution:
n
(
A
)
=
4
,
n
(
B
)
=
3
n
(
A
)
×
n
(
B
)
×
n
(
C
)
=
n
(
A
×
B
×
C
)
4
×
3
×
n
(
C
)
=
24
⇒
n
(
C
)
=
24/12
=
2