Bar Graph

6 )

In the following bar diagram the number of engineers employed in various companies has been given. Study the bar diagram carefully to answer the question.

If the number of all the engineers in the company V, company X and companyY be increased by 30%, 35% and 40% respectively, what will be the overall percentage increase in the number of all engineers of all the companies taken together?

7 )

In the following bar diagram the number of engineers employed in various companies has been given. Study the bar diagram carefully to answer the question.

What is the average number of junior engineers employed in all the companies?

8 )

In the following bar diagram the number of engineers employed in various companies has been given. Study the bar diagram carefully to answer the question.

If the number of assistant engineers employed in all the companies be increased by 37% and the number of post graduate engineers employed in all the companies be decreased by 20% by what per cent will the number of assistant engineers be less than that of post graduate engineers?

9 )

In the following bar diagram the number of engineers employed in various companies has been given. Study the bar diagram carefully to answer the question.

What is the ratio between the number of assistant engineers employed in company V and company X ?

10 )

In the following bar diagram the number of engineers employed in various companies has been given. Study the bar diagram carefully to answer the question.

What is the difference between the average number of junior engineers and assistant engineers taking all the companies together?