A = x:x x represents - Vidyadip

MCQ

$A = \{ x:x \ne x\} $ represents

A
$\{0\}$
✓
$\{\}$
C
$\{1\}$
D
$\{x\}$

✓

Answer

Correct option: B.

$\{\}$

b
(d) It is fundamental concept.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 11 - 1. set theory→STD 11 - 1. set theory — all question types→Maths STD 11 Science question papers→CBSE Board STD 11 Science question papers→CBSE Board question paper generator→

Similar questions

A ray of light coming from the point $(1, 2)$ is reflected at a point $A$ on the $x$ -axis and then passes through the point $(5, 3)$, the co-ordinates of the point $A$ are :-

$150$ workers were engaged to finish a piece of work in a certain number of days. $4$ workers dropped the second day, $4$ more workers dropped the third day and so on. It takes eight more days to finish the work now. The number of days in which the work was completed is

Let $p(x)=a_0+a_1 x+\ldots+a_n x^n$ be a non-zero polynomial with integer coefficients. If $p(\sqrt{2}+\sqrt{3}+\sqrt{6})=0$, then the smallest possible value of $n$ is

Given that x, y and b are real numbers and x < y, b > 0, then:

For each positive real number $\lambda$. Let $A_\lambda$ be the set of all natural numbers $n$ such that $|\sin (\sqrt{n+1})-\sin (\sqrt{n})|<\lambda$. Let $A_\lambda^c$ be the complement of $A_\lambda$ in the set of all natural numbers. Then,

The number of rectangles that you can find on a chess board is:

If $\mathop {\lim }\limits_{x \to 5} \frac{{{x^k} - {5^k}}}{{x - 5}} = 500$, then the positve integral value of $k$ is

If $n$ is a positive integer, then $\Big(\frac{1+\text{i}}{1-\text{i}}\Big)4\text{n}+1$ is equal to:

Let $S=\left\{(x, y) \in N \times N : 9(x-3)^{2}+16(y-4)^{2} \leq 144\right\}$ and $ T=\left\{(x, y) \in R \times R :(x-7)^{2}+(y-4)^{2} \leq 36\right\}$ Then $n ( S \cap T )$ is equal to $......$

If the domain of function $f(x) = {x^2} - 6x + 7$ is $( - \infty ,\;\infty )$, then the range of function is