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Mixtures and Allegations Practice Test 1

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Question : 19

Total: 40

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

9 : 5
5 : 9
7 : 5
5 : 7

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