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    Question

    Read the following data carefully and answer the following questions: The table shows the total number of Pens (Red + Black) sold by three shops A, B and C. It also shows the percentage of unsold Pens (Red + Black) and number of Red pens sold by shopkeepers.

    Find the ratio of total number of black pens sold by B

    and C to total pens (Red + Black) sold by A.
    A 31:18 Correct Answer Incorrect Answer
    B 33:10 Correct Answer Incorrect Answer
    C 24:19 Correct Answer Incorrect Answer
    D 35:22 Correct Answer Incorrect Answer
    E None of these Correct Answer Incorrect Answer

    Solution

    Total number of pens sold by B = 75% of 600 = 450 Total number of black pens sold by B = 450 – 190 = 260 Total number of pens sold by C = 60% of 800 = 480 Total number of black pens sold by C = 480 – 80 = 400 total number of pen sold by A = 400×50/100 =200 Required ratio = (260 + 400) : 200 = 660:200 = 33:10

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