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HomeCAT PYQsCAT 2021 Slot 3 Question PaperIf a certain weight of an alloy of silver and copper is…
CAT 2021 · Slot 3Quantitative AbilityMixtures and SolutionsMEDIUM+3 / −1

If a certain weight of an alloy of silver and copper is mixed with 3 kg of pure silver, the resulting alloy will have 90% silver by weight. If the same weight of the initial alloy is mixed with 2 kg of another alloy which has 90% silver by weight, the resulting alloy will have 84% silver by weight. Then, the weight of the initial alloy, in kg, is

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