Introduction to Data Interpretation
Direction: Study the following line chart carefully and answer the questions given below it. The following line chart represents the number of employees recruited in different years in a company.
 If the number of employees before 2010 was 640, what was percentage increase in 2010?

View Hint View Answer Discuss in Forum
On the basis of given graph in question ,
The number of employees before 2010 = 640
The number of employees in 2010 = 35Percentage increase = The number of employees in 2010 × 100 The number of employees before 2010
Correct Option: B
On the basis of given graph in question ,
The number of employees before 2010 = 640
The number of employees in 2010 = 35Percentage increase = The number of employees in 2010 × 100 The number of employees before 2010 Percentage increase = 35 × 100 ≈ 5.5 640
 If the total number of employees before the year 2010 was 640, then the total number of employees after 2014 was :

View Hint View Answer Discuss in Forum
As per the given line graph in question , we have
The total number of employees before the year 2010 = 640
The total number of employees after 2014 = 640 + total number of employees from 2010 to 2014Correct Option: B
As per the given line graph in question , we have
The total number of employees before the year 2010 = 640
The total number of employees after 2014 = 640 + total number of employees from 2010 to 2014
Required answer = 640 + 35 + 45 + 25 + 50 + 40 = 835
 The number of employees recruited in the year 2012 was what percent of the number employees recruited in the year 2014?

View Hint View Answer Discuss in Forum
From the given graph in question ,
Number of employees recruited in 2012 = 25
Number of employees recruited in 2014 = 40∴ Required percent = Number of employees recruited in 2012
× 100Number of employees recruited in 2014
Correct Option: C
From the given graph in question ,
Number of employees recruited in 2012 = 25
Number of employees recruited in 2014 = 40∴ Required percent = Number of employees recruited in 2012
× 100Number of employees recruited in 2014 ∴ Required percent = 25
× 100 = 62.5%40
 What was the ratio of number of employees recruited in the year 2011 to that in the year 2013?

View Hint View Answer Discuss in Forum
On the basis of given graph in question ,
Number of employees recruited in the year 2011 = 45
Number of employees recruited in the year 2013 = 50
Required ratio = Number of employees recruited in the year 2011 : Number of employees recruited in the year 2013Correct Option: B
On the basis of given graph in question ,
Number of employees recruited in the year 2011 = 45
Number of employees recruited in the year 2013 = 50
Required ratio = Number of employees recruited in the year 2011 : Number of employees recruited in the year 2013
∴ Required ratio = 45 : 50 = 9 : 10
Direction: Observe the graph below and answer the following question.
 What is the average of diesel prices over the years 2006 – 2012?

View Hint View Answer Discuss in Forum
According to given graph in question ,
Sum of diesel prices over the years 2006 – 2012 = 33.65 + 32.85 + 34.04 + 32.76 + 38.51 + 40.01 + 43.47
Total number of given years = 7Required average = $ (33.65 + 32.85 + 34.04 + 32.76 + 38.51 + 40.01 + 43.47) 7
Correct Option: A
According to given graph in question ,
Sum of diesel prices over the years 2006 – 2012 = 33.65 + 32.85 + 34.04 + 32.76 + 38.51 + 40.01 + 43.47
Total number of given years = 7Required average = $ (33.65 + 32.85 + 34.04 + 32.76 + 38.51 + 40.01 + 43.47) 7 Required average = $ 255.29 = $ 36.47 7