The number of students in five different classes are tabulated here. Represent the data on a bar graph and answer the following questions.

Class​	Fifth​	Sixth​	Seventh​	Eighth​	Ninth​
Number of children​	30​	50​	65	45​	60​

(i) Find the ratio of students of class sixth to the students of class ninth.​

(ii) What is the difference in the number of students of class fifth and ​class eighth?​

[5 marks]

Number of children in six different classes are given below. Represent the data on a bar graph.

(a) How would you choose a scale?

(b) Answer the following questions:

(i) Which class has the maximum number of children? And the

minimum?

(ii) Find the ratio of students of class sixth to the students of class

eight.

The bar graph shows the number of students in different classes.

i) Which class has the maximum number of students?

ii) Which class has the least number of students?

iii) Arrange the classes in the ascending order of their number of students.

iv) Find the total number of students from classes$I$ to $VI$

v) Find the ratio of the number of students in the class$II$ to class$VI$

(ii) What is the difference in the number of students of class fifth and ​class eighth?​

[5 marks]

(ii) What is the difference in the number of students of class fifth and class eighth?