Question

    Alloy A contains iron and copper in ratio 4:5. Alloy B contains iron and copper in ratio 3: 4. If 63kg of alloy A and 56 kg of alloy B are mixed, then what is the final ratio of copper and iron?

    A 67:52. Correct Answer Incorrect Answer
    B 47:61 Correct Answer Incorrect Answer
    C 30:19 Correct Answer Incorrect Answer
    D 53:61 Correct Answer Incorrect Answer
    E None of the above Correct Answer Incorrect Answer

    Solution

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