Introduction to Data Interpretation
Direction: The bar graph given indicates the income of a firm. Study the graph and answer the questions given.

- The average monthly income of the firm (in billion $) is :
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According to given bar graph , we have
Total income = 7 + 4 + 9 + 11 + 13 = $ 44 billions
Number of months = 5Average income of the company = Total income Number of months Average income of the company = $ 7 + 4 + 9 + 11 + 13 billion 5
Correct Option: C
According to given bar graph , we have
Total income = 7 + 4 + 9 + 11 + 13 = $ 44 billions
Number of months = 5Average income of the company = Total income Number of months Average income of the company = $ 7 + 4 + 9 + 11 + 13 billion 5 Average income of the company = 44 = $ 8.8 billion 5
- The income in May is how many times to that of February?
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From the given bar diagram , we see
The income in May = 13
The income in February = 4Required answer = 13 4
Correct Option: A
From the given bar diagram , we see
The income in May = 13
The income in February = 4Required answer = 13 4
Required answer = 3.25
- During which month, the ratio of the income to that of the previous month is the largest?
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According to given bar graph , we have
Income in February = $ 4 billion
Income in March = $ 9 billion
Required ratio = Income in March : Income in FebruaryCorrect Option: B
According to given bar graph , we have
Income in February = $ 4 billion
Income in March = $ 9 billion
Required ratio = Income in March : Income in February
∴ Required ratio = 9 : 4
- Which period shows a steady increase of income?
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According to given bar graph , we see
There was steady increase from March to May.Correct Option: A
According to given bar graph , we see
There was steady increase from March to May. Hence , required answer is March to May .
Direction: The bar diagram shows the monthly expenditure of a company. Study the graph and answer the questions.

- The ratio between expenditure on transport and employee salary on monthly basis is :
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From the given bar diagram , we see
Expenditure on transport = 20
and Expenditure on employee salary = 80
Required ratio = Expenditure on transport : Expenditure on employee salaryCorrect Option: A
From the given bar diagram , we see
Expenditure on transport = 20
and Expenditure on employee salary = 80
Required ratio = Expenditure on transport : Expenditure on employee salary
Required ratio = 20 : 80 = 1 : 4