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SETS — MATHS STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceMATHSSETS1 Mark
Question
Let A = {1, 2, {3, 4 }, 5}. Is thestatement{$\phi$}$\subset$ Aincorrect and why?
✓

Answer

{$\phi$}is the set containing the null set.
$\{\phi\} \subset A$ is only possible if $\phi$ is in set A but it is not there. Therefore,the statement is incorrect.

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