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    Question

    Read the following information carefully and answer the given questions: Table given below gives information about number of articles sold by four different people (A, B, C and D) on four different days (Monday, Wednesday, Friday and Saturday).

    What is the difference between average number of

    article sold by B and D on all the four days?
    A 21 Correct Answer Incorrect Answer
    B 19 Correct Answer Incorrect Answer
    C 24 Correct Answer Incorrect Answer
    D 18 Correct Answer Incorrect Answer
    E 11 Correct Answer Incorrect Answer

    Solution

    Average number of article sold by B on all the four days = (102 + 85 + 140 + 117)/4 = 111 Average number of article sold by D on all the four days = (90 + 113 + 112 + 85)/4 = 100 Required difference = 111 – 100 = 11

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