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    Question

    The given bar chart presents the average marks obtained

    in English (E) and vernacular (V) by the students of five districts (D1, D2, D3, D4, D5) in a state at the secondary level examination of a particular year (marks secured out of a total of 100). What is the difference between the average percentage of marks in vernacular of the districts (D1, D2, D4) and (D3, D5)?
    A 11.3% Correct Answer Incorrect Answer
    B 3.5% Correct Answer Incorrect Answer
    C 1.7% Correct Answer Incorrect Answer
    D 22.5% Correct Answer Incorrect Answer

    Solution

    ATQ, Total marks of D1, D2 and D4 = 80 + 70 + 75 = 225 Average marks of D1, D2 and D4 = 225/3 = 75 75 means 75% because the maximum marks of each subject are 100. Total marks of D3 and D5 = 50 + 55 = 105 Average marks of D1 and D5 = 105/2 = 52.5 Average percentage of D1 and D5 = 52.5% Required difference = 75% – 52.5% = 22.5%

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