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Byju's Answer
Standard XII
Mathematics
Number of Subset of a Given Set
If A = x: −2 ...
Question
If
A
=
{
x
:
−
2
≤
x
<
2
,
x
∈
Z
}
, then the number of proper subsets of
A
is
A
14
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B
15
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C
16
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D
31
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Solution
The correct option is
B
15
A
=
{
−
2
,
−
1
,
0
,
1
}
⇒
n
(
A
)
=
4
∴
Number of proper subsets
=
2
n
(
A
)
−
1
=
15
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0
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Number of Subset of a Given Set
Standard XII Mathematics
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