Let $R$ and $S$ be two equivalence relations on a set $A$. Then

  • A

    $R \cup S $ is an equivalence relation on $A$

  • B

    $R \cap S $ is an equivalence relation on $A$

  • C

    $R - S$ is an equivalence relation on $A$

  • D

    None of these

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  • [JEE MAIN 2023]