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35. Let A={xe W, the set of whole n...
Question
35. Let A={xe W, the set of whole numbers and 3 < 3}, B = {xe N, the set of natural numbers and 25x<4} and C={3,4}, then how many elements will (AUB) x C contain? 2012 II (a) 6 (b) 8 (c) 10 (d) 12.
Defence Exams
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A
=
0
,
1
,
2
B
=
{
2
,
3
}
C
=
{
3
,
4
}
A
∪
B
=
0
,
1
,
2
,
3
n
(
A
∪
B
)
=
4
n
(
c
)
=
2
n
(
A
∪
B
×
C
)
=
4
×
2
=
8
A
n
s
.
b
)
8
.
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