1.
The ratio of sales in the year 2005 is

2.
The ratio of sales in the year 2005 is

3.
The rise in the sale of Mathematics books from 2005 to 2008 is

4.
The fall in the sale of English books from 2006 to 2007 is

5. Number of children in six different classes are given below :

Answer the following related questions.
In which class is the number of children maximum?

6.
In which class is the number of children minimum?

7.
The difference between the maximum and minimum number of children is

8.
In how many classes is the number of children less than 500?

9.
In how many classes is the number of children more than 100?

10.
The ratio of the number of children of class 6 and 11 is