PREPARATORY QUESTIONS

DATA INTERPRETATION (BAR GRAPH)

PREPARATORY SET-100 (BAR GRAPH)

Direction (Qs.1-6): In the following bar diagram the number of engineers employed in various companies has been given. Study the bar diagram carefully to answer the questions.

 

 

Question No : 1

If the number of all the engineers in the company V, Company X and Company Y 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?

(1) 20%

(2) 22%

(3) 24%

(4) 25%

(5) None of these

Question No : 2

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

(1) 3 : 5

(2) 3 : 4

(3) 2 : 3

(4) 3 : 2

(5) None of these

Question No : 3

The number of post graduate engineers employed in the company W is what percent of the total engineers employed in that company?

Question No : 4

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

(1) 150

(2) 170

(3) 160

(4) 180

(5) 190

Question No : 5

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

(1) 18

(2) 15

(3) 50

(4) 22

(5) 25

Question No : 6

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 percent will the number of assistant engineers be more than that of post graduate engineers?

(1) 32%

(2) 27%

(3) 22%

(4) 25%

(5) None of these