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 :

The percentage of metals in a mine of lead ore is 60%. Now the percent

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

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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 :

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