Which of the following is the empty set
Examine whether the following statements are true or false :
$\{ x:x$ is an even natural number less than $6\} \subset \{ x:x$ is a natural mumber which divide $36\} $
Write the following as intervals :
$\{ x:x \in R,0\, \le \,x\, < \,7\} $
Write the following sets in roster form :
$\mathrm{E} =$ The set of all letters in the world $\mathrm{TRIGONOMETRY}$
Which of the following are sets ? Justify your answer.
A collection of most dangerous animals of the world.