https://m.facebook.com/nikita.nikolaev.752/posts/2208321356091587
It is fun for the guests who are also mathematicians like the wedding couple…
Why don’t the IT couples do the same with computer questions (eg. private cloud, serverless, containers, DevOps,… ) , lawyers with legal cases, doctors with medical questions …
Example 1 is obvious to this guest whose PhD research topic is in Differential Geometry “Chern Class” invented by Prof S. S. Chern (陈省身) :
Example 2 is obvious to this guest unless he/she can’t count the number of sides (8):
Example 3 is to the guest with some background in secondary school organic chemistry but forgotten, definitely not linear…
Example 4 to the hobbyist of Rubik’s cube, but the answer can be guessed easily by elimination: definitely not 2019 (this year), or π.
Answer in Multiple choices(Only 1answer is correct, the other 2 answers are obviously wrong) :