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    Question

    21 kg of rice ‘A is purchased for Rs. 6/kg

    while 30 kg of rice ‘B’ is purchased for Rs. 7/kg. If the mixture of the both types of rice is sold at Rs. 7/kg, then find the profit/loss incurred to the seller.
    A Rs. 36 Correct Answer Incorrect Answer
    B Rs. 21 Correct Answer Incorrect Answer
    C Rs. 39 Correct Answer Incorrect Answer
    D Rs. 35 Correct Answer Incorrect Answer
    E Rs. 37 Correct Answer Incorrect Answer

    Solution

    Total cost price = 21 × 6 + 30 × 7 = Rs. 336
    Total selling price = (21 + 30) × 7 = Rs. 357
    Profit earned = 357 – 336 = Rs. 21

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