Letters that make 11-plus
s, l, p, u, 1 are letters that make '11-plus'
1 possible definitions for '11-plus'
Under this definition, 11-plus is a noun and has the following properties:
eleven-plus has the same meaning as 11-plus
'11-plus' can be a type of examination, testing.
'11-plus' can be a region of United Kingdom, UK, U.K., Britain, United Kingdom of Great Britain and Northern Ireland, Great Britain