Write the following as intervals :
$\{ x:x \in R, - 12\, < \,x\, < \, - 10\} $
$\{ x:x \in R, – 12\, < \,x\, < \, – 10\} = \left( { – 12, – 10} \right)$
Make correct statements by filling in the symbols $\subset$ or $ \not\subset $ in the blank spaces:
$\{a, b, c\} \ldots\{b, c, d\}$
Which of the following are sets ? Justify your answer.
A collection of novels written by the writer Munshi Prem Chand.
Let $A=\{1,2,\{3,4\}, 5\} .$ Which of the following statements are incorrect and why ?
$\{1,2,3\}\subset A$
In rule method the null set is represented by
List all the elements of the following sers :
$F = \{ x:x$ is a consonant in the Englishalphabet which precedes $k\} $