Solution

153309

First name
Ella
School
Maidstone girls grammar school
Country
Age
12

Problem 1:

12
1+2=3
12 divided by 3 is 4

24
2+4=6
24 divided by 6 is 4.

36
3+6=9
36 divided by 9 is 4

48
4+8=12
48 divided by 12 is 4

There are no other possible ways.