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Quiz
Class XI
Chapter 1 : Sets: Mixed practice
10 questions
Question 1 of 10
Score:
0
/ 0
A
{
x
∈
N
:
x
<
1
}
\{x \in \mathbb{N} : x < 1\}
{
x
∈
N
:
x
<
1
}
B
{
0
}
\{0\}
{
0
}
C
{
∅
}
\{\varnothing\}
{
∅
}
D
{
x
∈
R
:
x
2
=
4
}
\{x \in \mathbb{R} : x^2 = 4\}
{
x
∈
R
:
x
2
=
4
}
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