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, the ratio of gold and copper in c will be:
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ratio of gold and copper in 3rd alloy = 7:5. take a look at picture.
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7:5 will be the final ratio
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