A question on how many doors will be open?
4592
Prison problem: locking or unlocking every $n$th door for $ n=1,2,3,...$
4294
Can the Room of Requirement be Two Things at Once?
15349
Combinatorics riddle: keys and a safe
33572
Does anyone know what this probability question is asking?
60046
Gate to allow only one player to pass through
116986
How many town ordinances can I enact at a time?
22880
How are the number of views in a question calculated?
114228
Find the number of solutions to $ \lfloor x \rfloor + \lfloor 2x \rfloor + \lfloor 4x \rfloor + \ldots + \lfloor 32x \rfloor =12345$
106710
How long does the new dwellers queue last?
82825
Proving set of interiors is open
99754
Number of accepted answers
117953
Too many open files: how many are open, what they are, and how many can the JVM open
152277
How does one handle a bottleneck of enemies in a doorway?
38554
Can mobs go through doors?
65617
What do the various locked door colors mean?
63147
What is the next number?
82723
How many Avatars have there been?