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    Question

    The ratio of zinc and copper in a brass pieces is 4:7.

    How much zinc will be there in 110 kg of such a piece?
    A 60 kg Correct Answer Incorrect Answer
    B 80 kg Correct Answer Incorrect Answer
    C 40 kg Correct Answer Incorrect Answer
    D 30 kg Correct Answer Incorrect Answer

    Solution

    Amount of zinc = 110 × (4/11) kg = 40 kg

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