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An Alloy Of Zinc And Copper Contains The Metals In The Ratio 5 : 3. The Quantity Of Zinc To Be Added To 16 Kg Of The Alloy So That The Ratio Of The Metal May Be 3 : 1 Is? |
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Answer» Lets ASSUME quantity of zinc to added = X kg. zinc quantity in alloy = 5/8*16=10 Kg. and copper quantity = 3/8*16=6 kg. Alloy NEW RATIO of zinc and copper = 3:1 Zinc quantity in alloy => (10+x)/6=3/1 => 10 + x = 18 => x = 8 kg. Lets assume quantity of zinc to added = x kg. zinc quantity in alloy = 5/8*16=10 Kg. and copper quantity = 3/8*16=6 kg. Alloy new ratio of zinc and copper = 3:1 Zinc quantity in alloy => (10+x)/6=3/1 => 10 + x = 18 => x = 8 kg. |
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