7 boys
There on average thirty children in a class in the UK, there are at least twenty five children in a class in other countries
There were 25 second class children all survived
All 24 children in Second Class were saved.
it depends how many grades in the class you have.
50 children
40
40
5
40
A class of 25 to 30 is considered average.
There were 25 children with second class tickets all 25 survived