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Question
Mathematics
If A= 1,2,4 B= 2,4,5 and C= 2,5 then (A-B) ×(B-C) is equal to
Q. If
A
=
{
1
,
2
,
4
}
,
B
=
{
2
,
4
,
5
}
and
C
=
{
2
,
5
}
, then
(
A
−
B
)
×
(
B
−
C
)
is equal to
830
216
Relations and Functions
Report Error
A
{(
1
,
2
)
,
(
1
,
5
)
,
(
2
,
5
)}
5%
B
{(
1
,
4
)}
61%
C
(
1
,
4
)
17%
D
None of these
16%
Solution:
A
−
B
=
{
1
}
,
B
−
C
=
{
4
}
∴
(
A
−
B
)
×
(
B
−
C
)
=
{(
1
,
4
)}