Question: what kind of questions do they ask in escape rooms?
Answer: Hidden objects. So the first kind of puzzles you'll encounter in your play will definitely be the hidden objects. ... 
Design (visualities) ... 
Riddles (labyrinth, puzzles) ... 
Light & Sound. ... 
Numbers & Texts. ... 
Puzzles involving physical activity. ... 
Long game puzzles (set, combinations) ... 
Wrapping up.