An alloy is to contain copper and zinc in the ratio 9 :4. The zinc req – McqOptions

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1.	An alloy is to contain copper and zinc in the ratio 9 :4. The zinc required (in kg) to be melted with 24 kg of copper, is ?
A.	10 and 2/3
B.	9 and 2/3
C.	10 and 1/3
D.	9
Answer» D. 9

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