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

class | Fifth | Sixth | Seventh | Eighth | Ninth | Tenth |

no. of children | 135 | 120 | 95 | 100 | 90 | 80 |

(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 eighth.