Now that I think about it competition always goes with rewards, thought it was a thread for educating and engaging.
The issue with quiz competition of this nature is that the latter poster are more likely to be right than earlier.
Since they can gain from the earlier poster and improved on it.
It would be nice to see a thread that would be on such questions with no rewards attached, could help improve our boards quality.
Giving merit could be prohibited to prevent misuse.
As for the third question, I also think it is AdolfinWolf. I traced it and noticed theymos sent him merit some minutes before the one I posted above which later made me included that I was wrong about it.
Wow I never knew about this. Went to the first thread about merit and realised I was wasting my time. A plus about the competition, I learnt something