KcetSets And RelationsKCET 2017MCQ+1 / -02017 If $A$ and $B$ are finites sets and $A \subset B$, thenA$n(A \cup B)=n(B)$B$n(A \cap B)=\phi$C $n(A \cap B)=n(B)$D $n(A \cup B)=n(A)$Check AnswerClear SelectionReveal AnswerShow Explanation
