A and B are two alloys of gold and copper prepared by mixing metals in the ratio

Question

A and B are two alloys of gold and copper prepared by mixing metals in the ratio 7 : 2 and 7 : 11 respectively. If equal quantities of the alloys are melted to form a third alloy C, then the ratio of gold and copper in alloy C will be.

Options:

A . 5 : 7

B . 5 : 9

C . 7 : 5

D . 9 : 5

Answer: Option C

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