Question

If $A$ and $B$ are any two sets, then $A\cup (A\cap B)$ is equal to-

• A. $A$
• B. $B$
• C. $A^{\prime }$
• D. $B^{\prime }$

Answer 1

Answer: (A)

$A\cap B\subseteq A$. Hence $A\cup (A\cap B)=A$.