The set $A = \{ x:x \in R,\,{x^2} = 16$ and $2x = 6\} $ equals
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\varnothing \subset A$
Make correct statements by filling in the symbols $\subset$ or $ \not\subset $ in the blank spaces:
$\{ x:x$ is a student of class $\mathrm{XI}$ of your school $\} \ldots \{ x:x$ student of your school $\} $
State whether each of the following set is finite or infinite :
The set of animals living on the earth
Which of the following are examples of the null set
Set of odd natural numbers divisible by $2$