Not that I've come across, but I've not looked either. Most of us here seemed to do the test pretty early after it was introduced and got the same 20 questions, albeit possibly in randomised order, and AFIAK no one had any difficulty passing (or at least noone owned up to failing).
All of the questions were pretty much common sense, and it's a multichoice "open book" test, with the answers quite literally taken directly from the CAA site linked by The Cyborg, above. As is common with multi-choice tests, at least one of the options can be eliminated immediately (or after you stop laughing in some cases). You do need to read some of the questions carefully to understand *exactly* what it's asking you, e.g. standard exam practice, and it covers safety aspects as well as the more obvious stuff like distances, so you'll need to know more than just the contents of the Drone Code poster.
Seriously, if you can't spend 15-minutes reading through the source material then pass then exam at your first attempt, then you probably shouldn't be flying a drone.