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Practice over 1000+ GATE-level questions from this topic!

Designed to match the latest GATE pattern with topic-wise precision, difficulty tagging, and detailed solutions.

Q#1 Numerical ability GATE EC 2018 MCQ +2 marks -0.66 marks

Two alloys A and B contain gold and copper m the ratios of 2:3 and 3:7 by mass, respectively. Equal masses of alloys A and B are melted to make an alloy C. The ratio of gold to copper in alloy C is _______.

5 : 10

7 : 13

6 : 11

9 : 13

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