Introduction to Data Interpretation
Direction: The subdivided bar diagram given below depicts the result of Class XII students of a school for three years. Study the diagram and answer the questions given below :
 The percentage of students passed with Second class in the year 2000 is

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On the basis of given graph in question ,
Total number of students in the year 2000 = 160
Number of students who stood second in the year 2000 = 50∴ Required percentage = Number of students who stood second in the year 2000 × 100 Total number of students in the year 2000 ∴ Required percentage = 50 × 100 160
Correct Option: D
On the basis of given graph in question ,
Total number of students in the year 2000 = 160
Number of students who stood second in the year 2000 = 50∴ Required percentage = Number of students who stood second in the year 2000 × 100 Total number of students in the year 2000 ∴ Required percentage = 50 × 100 160 Required percentage = 125 = 31 1 % 4 4
Direction: Study the diagram and answer the questions.
 If the total annual expenditure of family A is $ 30,000 then money spent on food, clothes and house rents is.

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From the given bar diagram , we see
Total annual expenditure of family A = $ 30,000
Expenditure of ( Food + clothes + house rent ) = 30 + 15 + 15 = 60%
∴ Required expenditure = Total annual expenditure of family A × 60%Correct Option: A
From the given bar diagram , we see
Total annual expenditure of family A = $ 30,000
Expenditure of ( Food + clothes + house rent ) = 30 + 15 + 15 = 60%
∴ Required expenditure = Total annual expenditure of family A × 60%∴ Required expenditure = 30000 × 60 = $ 18000 100
 What fraction of the total expenditure is spent on Education in family A?

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On the basis of given graph in question ,
Expenditure on education for family A = 20%
Total expenditure = 100%Required fraction = Expenditure on education for family A Total expenditure
Correct Option: C
On the basis of given graph in question ,
Expenditure on education for family A = 20%
Total expenditure = 100%Required fraction = Expenditure on education for family A Total expenditure Required fraction = 20 = 1 100 5
 If the total annual expenditure of family B is $ 10,000 then money spent on clothes during the year is

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From the given bar diagram , we see
The total annual expenditure of family B = $ 10,000
Percentage expenditure on clothes for family B = 15
∴ Required expenditure = 15% of Total annual expenditureCorrect Option: C
From the given bar diagram , we see
The total annual expenditure of family B = $ 10,000
Percentage expenditure on clothes for family B = 15
∴ Required expenditure = 15% of Total annual expenditureRequired expenditure = 10000 × 15 = $ 1500 100
Direction: The sub divided bar diagram given below depicts H.S. Students of a school for three years. Study the diagram and answer the questions.
 The percentage of the students passed with 2nd division in the year 2010 was

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As per the given bar graph , we have
Total students in 2010 = 200
Students passed in 2nd division in 2010 = 60Required percentage = Students passed in 2nd division in 2010 × 100 Total students in 2010
Correct Option: A
As per the given bar graph , we have
Total students in 2010 = 200
Students passed in 2nd division in 2010 = 60Required percentage = Students passed in 2nd division in 2010 × 100 Total students in 2010 Required percentage = 60 × 100 = 30% 200