A) \[7.5%\text{ }Ag\] and \[92.5%\text{ }Cu\]
B) \[92.5%\text{ }Ag\] and \[7.5%\text{ }Cu\]
C) \[80%\text{ }Ag\] and \[20%\text{ }Cu\]
D) \[90%\text{ }Ag\] and \[10%\text{ }Cu\]
Correct Answer: B
Solution :
925 fine silver means 925 parts of pure \[Ag\]in 1000 parts of an alloy. Therefore, in terms of percentage, it will be \[92.5%\text{ }Ag\] and\[7.5%\text{ }Cu\].
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