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1.Set Theory
easy
$A=\{1,2,\{3,4\}, 5\}$ છે. વિધાન સત્ય છે કે અસત્ય છે ? શા માટે ? : $\{1,2,3\}\subset A$
Option A
Option B
Option C
Option D
Solution
$A=\{1,2,\{3,4\}, 5\}$
The statement $\{1,2,5\}\subset A$ is incorrect because $3 \in\{1,2,3\}$; however, $3 \notin A$.
Standard 11
Mathematics