**The following bar graph shows the number of children in various classes in a school in Delhi.**

**Using the given bar graph, find :****(i) the number of children in each class.****(ii) the total number of children from Class 6 to Class 8.****(iii) how many more children there are in Class 5 compared to Class 6 ?****(iv) the total number of children from Class 1 to Class 8.****(v) the average number of children in a class.**