New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    A merchant has 150 Kg of rice, part of which he sells at

    8% profit and the rest at 2% loss. If he gains 4.67% on the whole, the quantity sold at 8% profit is
    A 25 Kg Correct Answer Incorrect Answer
    B 50 Kg Correct Answer Incorrect Answer
    C 75 Kg Correct Answer Incorrect Answer
    D 100 Kg Correct Answer Incorrect Answer
    E 80 Kg Correct Answer Incorrect Answer

    Solution

    I. Difference of final profit % from the profit of 1st part = 3.33% = 10/3 II. Difference of final profit % from the loss of 2nd part = 6.67% = 20/3 Hence the ratio of weightage of 1st part to 2nd part = 20/3: 10/3 = 2:1 2x+x = 150 X = 50 2x = 100

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