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    Question

    A grocer mixes 7 kg of flour at Rs. 5 per kg with 5 kg

    at Rs. 3 per kg. What is the cost price (in Rs.) of the mixture per kg?
    A Rs. 3.87 Correct Answer Incorrect Answer
    B Rs. 4.17 Correct Answer Incorrect Answer
    C Rs. 4.47 Correct Answer Incorrect Answer
    D Rs. 4.67 Correct Answer Incorrect Answer

    Solution

    Required cost price = (5 × 7 + 3 × 5) ÷ (7 + 5) = (50 / 12) = Rs. 4.17

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