Wow! I thought I knew a lot, but I'm fairly well stumped on most, if not all, of these.
Let's see what the combined brainpower of FR comes up with. It will be a wonder to behold! (I mean it!)
"3. Twelve presidents have served exactly one full term in office. One of them served a different number of days than the other 11. Who and why? "
Jimmy Carter? I think they changed inauguration day in 1932.
Well, one or two will "claim" to come up with the answers and let you know how smart they are and how easy the quiz is. However their invisible assistant, Frankie Google, is a wonderful friend.