Here are the correct answers:

Keeper Brian Murphy, signed by QPR after a trial last summer, has made how many first-team appearances for the club?
One

Which of these clubs has Troy Hewitt had a spell on loan at?
Dagenham & Redbridge

Bruno Perone has played for the same European club as which former QPR player?
Gino Padula

Defender Aziz Ben Askar was signed by QPR in 2001 after a friendly against which team?
Chelsea

Which of these players was NOT signed by QPR after impressing during a match against their reserves?
Tony Witter