Who is Vector?

Professor of Astronomy
Just some guy, y'know
A witch or something
One of the house elves
Shopowner in Hogsmeade
Arithmancy wizard

Which of the following is not a yearmate of Lee Jordan?

Fred Weasley
George Weasley
Angelina Johnson
Katie Bell
Alicia Spinnet

When's the Weasley twins' birthday?

March 1st
September 19th
October sometime
In April
June 3rd
We're never told

What house is Hannah Abbott in?

Hufflepuff
Gryffindor
Ravenclaw
Slytherin
None, she goes to Beauxbatons