1.Set Theory
easy

$A=\{1,2,\{3,4\}, 5\}$ છે. વિધાન સત્ય છે કે અસત્ય છે ? શા માટે ? : $\{ 3,4\}  \subset A$

Option A
Option B
Option C
Option D

Solution

$A=\{1,2,\{3,4\}, 5\}$

The statement $\{ 3,4\}  \subset A$ is incorrect because $3 \in\{3,4\}$; however, $3 \notin A$

Standard 11
Mathematics

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