Study the following pie-diagrams carefully and answer the question given below it.
PERCENTAGE COMPOSITION OF HUMAN BODY 

 In the human body, what part is made of neither bones nor skin?

Royalty on the book is less than the printing cost by :

Direction: Study the double bar graph given below and answer the questions.

The average of the number of students participating in cultural events is:

Directions: The Bar Graph given here shows the population (in crores) of India in various census years. Observe the graph and answer the question based on it.  

Per year increase in population from the year 1931 to 1981 is 

Directions:Study the following table carefully to answer these questions:

Percentage of Marks obtained by six students in six subjects

What are the average marks obtained by all students in Chemistry?

Direction: The line chart given below shows the number of labors (men and women) working in six different years. Study the data carefully and answer the following questions.

Number of Men working in 2017 is 15% more than that of 2015 while number of Women working in 2017 is 40% less than that of 2014. Find total number of labors (Men + Women) working in 2017? 

Study the following graph to answer these questions :
Percent profit earned by two companies A & B over the years.
Profit = Income – Expenditure

Expenditure of Company B in years 1996 and 1997 were in the ratio of 5:7 respectively. What was the respective ratio of their incomes?