If $\mathrm{A}=\{\{0\},\{1\},\{0,1\}\}$ then the number of subsets of A which are supersets of $\{\{

Question

If $\mathrm{A}=\{\{0\},\{1\},\{0,1\}\}$ then the number of subsets of A which are supersets of $\{\{1\}\}$ is

Professor PC Thomas Classes · Answer

The subsets of $A$ which are supersets of \{ 11$\}$ \}are $\{11\}, ~\{\{0\}, ~\{1\}\}, ~\{\{1\}\}, ~\{0,1\}\}$ and A .