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    Question

    A shopkeeper blends 5 kg of coffee at Rs. 12 per kg with

    7 kg at Rs. 8 per kg. What is the cost price (in Rs.) of the mixture per kg?
    A Rs. 9.37 Correct Answer Incorrect Answer
    B Rs. 7.71 Correct Answer Incorrect Answer
    C Rs. 8.97 Correct Answer Incorrect Answer
    D Rs. 10.17 Correct Answer Incorrect Answer

    Solution

    Required cost price = (7 Ă— 5 + 8 Ă— 12) Ă· (5 + 12) = (131 / 17) = Rs. 7.71

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