Mixtures & Alligation · Question 8 · Medium
Mixtures & Alligation question 8
Equal weights of two alloys are melted together. In the first alloy gold and copper are in the ratio 3 : 2 and in the second 4 : 1. What is the ratio of gold to copper in the new alloy?
- 7 : 2
- 3 : 1
- 5 : 2
- 7 : 3
Answer and explanation
Answer: D. 7 : 3
Explanation: Take 5 kg of each alloy. Gold = 3 + 4 = 7 kg and copper = 2 + 1 = 3 kg, so the ratio is 7 : 3.
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