The percentage of metal extracted from a mine of lead ore is 50%.Now the percentage of gold is 4/5 % of the metal and the rest is lead. If the mass of ore extracted from the mine is 6000kg, the mass of the lead is A. 2975kg B. 2976kg C. 2973kg D. 2875kg Answer Workspace Report Discuss Answer with explanation Answer: Option B Explanation Given mass of lead ore=6000 kg Mass of metal is 50% of 6000 = 3000 kg Mass of gold is 4/5% of 3000 = 24 kg Mass of lead = 3000 – 24 = 2976 kg Workspace
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