The following bar graph shows of number of children in various sections of class-$4$ in a school. Observe the bar graph and answer the question that follows:

There are $45$ children in the section IV- _____.

Look at the bar graph and answer the following question

Toast takes _____ minutes less than naan to cook.

The class with the maximum number of vegetarians is class is _____.

How many more children are there in $\mathrm{IV}-\mathrm{D}$ than $\mathrm{IV}-\mathrm{E}$?