Question

If $A,B$ and $C$ are three sets such that $A\cap B=A\cap C$ and $A\cup B=A\cup C$ , then

• A. $A=B$
• B. $A=C$
• C. $B=C$
• D. $A\cap B=\varphi$

Answer 1

Answer: (C)

Correct answer is (c) $B=C$