MCQOPTIONS
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| 1. |
4 kg of a metal contains 1/5 copper and rest in Zinc. Another 5 kg of metal contains 1/6 copper and rest in Zinc.The ratio of Copper and Zinc  into the mixture of these two metals: |
| A. | 49 : 221 |
| B. | 39:231 |
| C. | 94:181 |
| D. | None of these |
| Answer» B. 39:231 | |