In two types of brass ratio of copper and zinc are 8: 3 and 15: 7 resp – McqOptions

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1.	In two types of brass ratio of copper and zinc are 8: 3 and 15: 7 respectively. The ratio in which these two types of brass should be mixed, so that the ratio of copper and zinc in this new type of brass become 5: 2 is
A.	7: 4
B.	2: 3
C.	5: 2
D.	3: 2
Answer» D. 3: 2

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