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    Question

    An alloy contains copper and zinc in the ratio 5 : 3 and

    another contains copper and tin in the ratio 8 : 5. If equal weights of the two are melted together to form a 3rd alloy, find the weight of tin per kg in the new alloy.
    A 40/129 Correct Answer Incorrect Answer
    B 5/13 Correct Answer Incorrect Answer
    C 5/26 Correct Answer Incorrect Answer
    D 28/5 Correct Answer Incorrect Answer

    Solution

    To avoid fractions, take the LCM of 5 + 3 and 8 + 5. If 104 kg of each alloy are mixed, weight of tin in the alloy =            Weight of tin per kg of 3rd alloy =   

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