## Introduction to Data Interpretation

#### Data Interpretation

Direction: The following questions are based on the pie– charts given below.

1. What is the total number of students studying Arts in institutes A and G together?

1. On the basis of given pie chart in question ,
Total number of students studying Arts = 3800
Percent of students studying Arts in institutions A and G = ( 15 + 12 ) = 27%
Total percent of students studying Arts = 100%

##### Correct Option: A

On the basis of given pie chart in question ,
Total number of students studying Arts = 3800
Percent of students studying Arts in institutions A and G = ( 15 + 12 ) = 27%
Total percent of students studying Arts = 100%

 Required answer = 3800 × 27 = 1026 100

Direction: Study the following graph carefully to answer the questions given below.

1. What is the respective ratio of selected employees for IT managers by all companies A, B and C ?

1. As per the given above graph , we see
Number of selected employees for IT managers by company A = 300
Number of selected employees for IT managers by company B = 200
Number of selected employees for IT managers by company C = 350

##### Correct Option: A

As per the given above graph , we see
Number of selected employees for IT managers by company A = 300
Number of selected employees for IT managers by company B = 200
Number of selected employees for IT managers by company C = 350
∴ Required ratio = 300 : 200 : 350 = 6 : 4 : 7

1. What is the average number of selected employees for the post of assistant marketing managers by all companies taken together?

1. According to given graph , we have
Total number of selected employees for the post of assistant marketing managers by all companies = 800 + 700 + 660 = 2160
Number of given companies = 3

 Required average = Total number of selected employees for the post of assistant marketing managers by all companies Number of given companies

##### Correct Option: D

According to given graph , we have
Total number of selected employees for the post of assistant marketing managers by all companies = 800 + 700 + 660 = 2160
Number of given companies = 3

 Required average = Total number of selected employees for the post of assistant marketing managers by all companies Number of given companies

 Required average = 2160 = 720 3

1. By what percent is the number of selected employees for finance managers by company C more than that of selected employees by company B for the same post?

1. As per the given above graph , we see
Number of selected employees for finance managers by company C = 250
Number of selected employees for finance managers by company B = 200
Difference = 250 - 200 = 50

 Required percentage = Difference × 100 Number of selected employees for finance managers by company B

##### Correct Option: C

As per the given above graph , we see
Number of selected employees for finance managers by company C = 250
Number of selected employees for finance managers by company B = 200
Difference = 250 - 200 = 50

 Required percentage = Difference × 100 Number of selected employees for finance managers by company B

 Required percentage = 50 × 100 = 25% 200

1. What is the respective ratio of selected employees for the post of assistant IT managers by all the companies A, B and C together?

1. On the basis of given graph in question ,
Number of selected employees for the post of assistant IT managers by company A = 500
Number of selected employees for the post of assistant IT managers by company B = 400
Number of selected employees for the post of assistant IT managers by company C = 550

##### Correct Option: B

On the basis of given graph in question ,
Number of selected employees for the post of assistant IT managers by company A = 500
Number of selected employees for the post of assistant IT managers by company B = 400
Number of selected employees for the post of assistant IT managers by company C = 550
Required ratio = 500 : 400 : 550 = 10 : 8 : 11