Question
Alloy A contains iron and copper in ration 4:5. Alloy B
contains iron and copper in ratio 3 : 4. If 45kg of alloy A and 63 kg of alloy B are mixed, then what is the final ratio of copper and iron?Solution
Iron Copper In contains A 4: 5 9=45 20 25 In contains B 3: 4 7=63 27 36 Ratio 47: 61 Ratio of copper and iron =61:47.
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