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In two types of brass, the ratios of Cop...

In two types of brass, the ratios of Copper to Zinc are `8 : 3` and `15 : 7` respectively. If the two types of brass be melted and mixed in the ratio `5 : 2` a new type of brass is obtained. The ratio of Copper to Zinc in this new type of brass is

A

`3:2`

B

`2:3`

C

`3:4`

D

`5:2`

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