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4 kg of a metal contains 1/5 copper and ...

4 kg of a metal contains `1/5` copper and rest is zinc. Another 5 kg of metal contains `1/6` copper and rest is zinc. The ratio of copper and zinc into the mixture of these two metals :

A

`49:221`

B

`39:231`

C

`94:181`

D

`231:49`

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The correct Answer is:
A
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