They will sit in silence for 19 minutes. After the clock rings for the 20th time, Alice will confidently guess that Bob has 21, and they will win the $1 million.
Timo
@eierkopfmann
1 month ago
They wait both wait till there number minus one is over in minutes, if the other person didn't guess, they than know they have the lower number and can say with certainty that the other person has the number one greater than theirselfs.
Mazureqian
@mazureqian
2 weeks ago
Alice will guess bob has 21 after 19 min of silence. Classic epistemic puzzle
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