“$925$ fine silver” means an alloy of :

  • A

    $7.5 \% \,Ag$ and $92.5\% \ Cu$

  • B

    $92.5 \% \, Ag$ and $7.5 \% \, Cu$

  • C

    $80 \% \,Ag$ and $20  \% \, Cu$

  • D

    $90  \% \,Ag$ and $10 \% \,Cu$

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