## Introduction to Data Interpretation

#### Data Interpretation

Direction: Study the following graph which shows income and expenditure of a company over the years 2005 – 2009 and answer the questions.

1. Profit of the company was maximum in the year

1. On the basis of given graph in question ,
Profit of company = Income - Expenditure
Profit of company in year 2005 ⇒ 40 – 30 = Rs. 10 crore
Profit of company in year 2006 ⇒ 60 - 35 = Rs. 25 crore
Profit of company in year 2007 ⇒ 50 - 40 = 10 crore
Profit of company in year 2008 ⇒ 65 – 50 = Rs. 15
Profit of company in year 2009 ⇒ 70 – 60 = Rs. 10 crore

##### Correct Option: C

On the basis of given graph in question ,
Profit of company = Income - Expenditure
Profit of company in year 2005 ⇒ 40 – 30 = Rs. 10 crore
Profit of company in year 2006 ⇒ 60 - 35 = Rs. 25 crore
Profit of company in year 2007 ⇒ 50 - 40 = 10 crore
Profit of company in year 2008 ⇒ 65 – 50 = Rs. 15
Profit of company in year 2009 ⇒ 70 – 60 = Rs. 10 crore
Hence , Profit of the company is maximum in the year 2006 .

1. The percentage increase in expenditure of the company from 2007 to 2008 is

1. From the given bar diagram , we see
Expenditure of the company in 2007 = Rs. 40 crores
Expenditure of the company in 2008 = Rs. 50 crores
Increase in expenditure = 50 - 40 = Rs. 10 crores

 Required percent increase = Increase in expenditure × 100 Expenditure of the company in 2007

##### Correct Option: B

From the given bar diagram , we see
Expenditure of the company in 2007 = Rs. 40 crores
Expenditure of the company in 2008 = Rs. 50 crores
Increase in expenditure = 50 - 40 = Rs. 10 crores

 Required percent increase = Increase in expenditure × 100 Expenditure of the company in 2007

 Required percent increase = 10 × 100 = 25% 40

1. In how many years was the income of the company less than the average income of the given years?

1. On the basis of given graph in question ,
Total income of the given years = 40 + 60 + 50 + 65 + 70 = 285
Number of given years = 5

 Average income of company = Total income of the given years Number of given years

 Average income of company = 285 = Rs. 57 crore 5

##### Correct Option: C

On the basis of given graph in question ,
Total income of the given years = 40 + 60 + 50 + 65 + 70 = 285
Number of given years = 5

 Average income of company = Total income of the given years Number of given years

 Average income of company = 285 = Rs. 57 crore 5

Required years ⇒ 2005 and 2007

1. The difference in profit (Rs. in crores) of the company during 2006 and 2007 is

1. From the given bar diagram , we see
Profit of company in year 2006 = Income - Expenditure
Profit of company in year 2006 ⇒ 60 – 35 = Rs. 25 crore
Profit of company in year 2007 = Income - Expenditure
Profit of company in year 2007 ⇒ 50 – 40 = Rs. 10 crore
Required Difference = Profit of company in year 2006 - Profit of company in year 2007

##### Correct Option: B

From the given bar diagram , we see
Profit of company in year 2006 = Income - Expenditure
Profit of company in year 2006 ⇒ 60 – 35 = Rs. 25 crore
Profit of company in year 2007 = Income - Expenditure
Profit of company in year 2007 ⇒ 50 – 40 = Rs. 10 crore
Required Difference = Profit of company in year 2006 - Profit of company in year 2007
Required Difference = 25 – 10 = Rs. 15 crore

Direction: The following bar chart represents the number of first year B. Com. students of St Xavier’s College using different companies’ smartphones. Study bar chart and answer the questions.

1. The difference between the total number of students using smartphones of Samsung combined together and the total number of students using smartphones of Sony taken together is

1. On the basis of given graph in question ,
Total number of students using smartphones of Samsung = 180 + 100 = 280
Total number of students using smartphones of Sony
= 160 + 60 = 220
Required difference = Total number of students using smartphones of Samsung - Total number of students using smartphones of Sony

##### Correct Option: B

On the basis of given graph in question ,
Total number of students using smartphones of Samsung = 180 + 100 = 280
Total number of students using smartphones of Sony
= 160 + 60 = 220
Required difference = Total number of students using smartphones of Samsung - Total number of students using smartphones of Sony
∴ Required difference = 280 – 220 = 60