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A mixture of bross contains Cu & Zn and ...

A mixture of bross contains Cu & Zn and a mixture of bronze contains Cu, Zn & Tn having 80%, 4% & 16% respectively. Both mixture are mixed and resulting mixture contains percentage of Cu, Zn & Tn 74%, 16% & 10%. Find the percentage of Cu & Zn in the mixture of Bross.

A

`64%, 36%`

B

`44%, 46%`

C

`60%, 40%`

D

`80%, 20%`

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