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Percentage of copper in the alloy=40% Percentage of nickel in the alloy= 32% Percentage of zinc in the alloy=100%−(40%+32%)=100%−72%=28% Mass of zinc in one kg of alloy=1kgtimes28%=1000times28/100 gm [As 1kg=1000 gm] =280 gm therefore The mass of the zinc is 1 kg of the alloy=280 gm
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An alloy contains 40% copper, 32% nickel and rest zinc . Find the mass of zinc in one kg of the .
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