If $A, B$ and $C$ are three sets such that $A \cap B = A \cap C$ and $A \cup B = A \cup C$ then
If $A, B$ and $C$ are three sets such that $A \cap B = A \cap C$ and $A \cup B = A \cup C$ then
- [AIEEE 2009]
- A
$A = C$
- B
$B = C$
- C
$\;A \cap B = \emptyset $
- D
$\;A = B$
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