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Byju's Answer
Standard XII
Mathematics
Finite and Infinite Set
Which of the ...
Question
Which of the following is a finite set?
A
N
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B
Z
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C
R
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D
W
−
N
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Solution
The correct option is
D
W
−
N
(
a
)
′
N
′
is infinite set
(
b
)
′
Z
′
is infinite set
(
c
)
′
R
′
is infinite set
(
d
)
′
W
−
N
′
=
{
0
}
is a finite set
Suggest Corrections
0
Similar questions
Q.
If
Z
is the set of all Integers,
W
is the set of Whole Numbers,
N
is the set of Natural Numbers, then
N
⊂
W
⊂
Z
.
Q.
If
Z
is the set of all Integers,
W
is the set of Whole Numbers,
N
is the set of Natural Numbers, then which of the following is/are correct?
Q.
Consider the following statements :
1.
N
∪
(
B
∩
Z
)
=
(
N
∪
B
)
∩
Z
for any subset
B
of
R
,
where
N
is the set of positive integers,
Z
is the set of integers,
R
is the set of real numbers.
2.
Let
A
=
{
n
∈
N
:
1
≤
n
≤
24
,
n
is a multiple of
3
}
.
There exists no subset
B
of
N
such that the number of elements in
A
is equal to the number of elements in
B
.
Which of the above statements is/are correct?
Q.
Let
N
be the set of natural numbers and a relation
R
on
N
be defined by
R
=
{
(
x
,
y
)
∈
N
×
N
:
x
3
−
3
x
2
y
−
x
y
2
+
3
y
3
=
0
}
.
Then the relation
R
is
Q.
The set of all
α
∈
R
, for which
w
=
1
+
(
1
−
8
α
)
z
1
−
z
is a purely imaginary number, for all
z
∈
C
satisfying
|
z
|
=
1
and
R
e
(
z
)
≠
1
, is
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