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)?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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