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    Question

    A merchant mixes two varieties of rice of 6 kg and 4 kg,

    which cost him Rs. 7 and Rs. 5 per kg, respectively. What is the cost price (in Rs.) of the mixture per kg?
    A Rs. 5.9 Correct Answer Incorrect Answer
    B Rs. 6.2 Correct Answer Incorrect Answer
    C Rs. 6.5 Correct Answer Incorrect Answer
    D Rs. 6.7 Correct Answer Incorrect Answer

    Solution

    Required cost price = (7 × 6 + 5 × 4) ÷ (6 + 4) = (62 / 10) = Rs. 6.2

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