Question

For any two sets $A\&B,A\subset B,A\cup B=$

• A. $A$
• B. $B$
• C. $\left\{\right\}$

Answer 1

The correct option is B $B$

For the two sets $A\&B$
$A\subset B:$ This means $A$ is a subset of $B$
$\Rightarrow A\subset B=B.$