Write the following intervals in set-builder form :
$\left[ { - 23,5} \right)$
$\left[ { – 23,5} \right) = \{ x:x \in R, – 23\, \le \,x\, < 5\} $
Consider the sets
$\phi, A=\{1,3\}, B=\{1,5,9\}, C=\{1,3,5,7,9\}$
Insert the symbol $\subset$ or $ \not\subset $ between each of the following pair of sets:
$A, \ldots B$
Which of the following are examples of the null set
Set of even prime numbers
List all the elements of the following sers :
$F = \{ x:x$ is a consonant in the Englishalphabet which precedes $k\} $
Which of the following are sets ? Justify your answer.
The collection of all boys in your class.
For an integer $n$ let $S_n=\{n+1, n+2, \ldots \ldots, n+18\}$. Which of the following is true for all $n \geq 10$ ?
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