In a public library, the following observations were recorded by the librarian in a particular week:

A. Draw a double bar graph choosing an appropriate scale.

B. On which day, the number of readers in the library was maximum?

C. What is the mean number of magazine readers?

The following table shows the average intake of nutrients in calories by rural and urban groups in a particular year. Using a suitable scale for the given data, draw a double bar graph to compare the data.

Study the double bar graph and answer the questions that follow:

A. What information does the double bar graph represent?

B. Find the total number of boys in all sections of Class VII.

C. In which sections, the number of girls is greater than the number of boys?

D. In which section, the number of boys is the maximum?

E. In which section, the number of girls is the least?

Observe the following data:

A. Draw a double bar graph choosing an appropriate scale. What do you infer from the bar graph?

B. Which class has the maximum number of students?

C. In which class, the difference of total students and number of students present is minimum?

D. Find the ratio of number of students present to the total number of students of Class IX.

E. What per cent of Class VI students were absent?

Observe the given data:

A. Draw a bar graph to represent the above given information.

B. On which day of the week was the sales maximum?

C. Find the total sales during the week.

D. Find the ratio of the minimum sale to the maximum sale.

E. Calculate the average sale during the week.

F. On how many days of the week was the sale above the average sales?