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1. |
The percentage of metals in a mine of lead ore is 60%. Now the percentage of silver is1%2of metals and the rest is lead. If the mass of ore extracted from this mine is 8000 kg, the mass (in kg.) of lead is : |
A. | 4763 |
B. | 4762 |
C. | 4764 |
D. | 4761 |
Answer» D. 4761 | |