Q: An alloy of copper and bronze weight 50g. It contains 80% Copper. H – McqOptions

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1.	Q: An alloy of copper and bronze weight 50g. It contains 80% Copper. How much copper should be added to the alloy so that percentage of copper is increased to 90%?
A.	45 gm
B.	50 gm
C.	55 gm
D.	60 gm
Answer» C. 55 gm

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