state gov Bihar Vidhan Sabha DEO Mock Test 2024 Quantitative Aptitude Mixture Problems

Alloy X contains 70% copper and 30% zinc. Alloy Y contains 40% copper, 25% zinc and 35% aluminium. Alloy X and Y are mixed in the ratio of 1 ∶ 3. What is the ratio of copper and zinc in the newly formed alloy?

1

19 ∶ 33

2

11 ∶ 32

3

38 ∶ 21

4

19 ∶ 21

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