Write the following as intervals :
$\{ x:x \in R, - 4\, < \,x\, \le \,6\} $
$\{ x:x \in R, – 4\, < \,x\, \le \,6\} = ( – 4,6]$
Which of the following are sets ? Justify your answer.
The collection of all natural numbers less than $100 .$
Which of the following are examples of the null set
Set of odd natural numbers divisible by $2$
State which of the following sets are finite or infinite :
$\{ x:x \in N$ and $x$ is prime $\} $
List all the elements of the following sers :
$D = \{ x:x$ is a letter in the word $"\mathrm{LOYAL}" $ $\} $
$A = \{ x:x \ne x\} $ represents
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