What is the approximate average number of male employees in countries I. II and III ? 

What is the ratio between the number of male employees and female employees in country H?

What is the ratio between male employees working in the country I and country 11 respectively ? 

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

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 ? 

 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 less than that of post graduate engineers ?