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    Question

    A salt and water mixture, of which 7.5% is salt, costs

    ₹22.50 per litre. Another salt and water mixture, of which 17.5% is salt, costs ₹z per litre. If the cost of twelve litres of a salt and water mixture, of which 22.5% is salt, is ₹450, find the value of z.
    A 31.50 Correct Answer Incorrect Answer
    B 32.50 Correct Answer Incorrect Answer
    C 34.50 Correct Answer Incorrect Answer
    D 30.60 Correct Answer Incorrect Answer

    Solution

    The correct answer is B

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