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

- What is the respective ratio of selected employees for IT managers by all companies A, B and C ?
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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 = 350Correct 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
- What is the average number of selected employees for the post of assistant marketing managers by all companies taken together?
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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 = 3Required 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 = 3Required 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
- 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?
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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 = 50Required 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 = 50Required percentage = Difference × 100 Number of selected employees for finance managers by company B Required percentage = 50 × 100 = 25% 200
- What is the respective ratio of selected employees for the post of assistant IT managers by all the companies A, B and C together?
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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 = 550Correct 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
- What is the average number of selected employees by company A in all grades taken together?
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According to given graph , we have
Total number of selected employees by company A = 150 + 300 + 300 + 500 + 650 + 800 = 2700
Number of given grades = 6Required average = Total number of selected employees by company A Number of given grades
Correct Option: A
According to given graph , we have
Total number of selected employees by company A = 150 + 300 + 300 + 500 + 650 + 800 = 2700
Number of given grades = 6Required average = Total number of selected employees by company A Number of given grades Required average = 2700 = 450 6