The ratio of copper to zinc in alloys A and B are 3 : 4 and 5 : 9 resp – McqOptions

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1.	The ratio of copper to zinc in alloys A and B are 3 : 4 and 5 : 9 respectively. A and B are taken in the ratio 2 : 3 and melted to form a new alloy C. What is the ratio of copper to zinc in C?
A.	8 : 13
B.	9 : 11
C.	27 : 43
D.	3 : 5
Answer» D. 3 : 5

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