Alex came across 5 islanders, all of whom knew one another and would only answer yes-or-no questions.
What is the minimum number of questions Alex needs to ask, to successfully determine how many of the islanders are paladins?
Riddle AnswerGood Riddles
Half Full Barrel Puzzle
Two workers in a brewery are trying to settle an argument over how much beer is inside a barrel. One worker thinks the barrel is more than half full while the other says it’s less than half full.
How can they settle the argument without using any measuring tools?
Note: the top of the barrel can be easily removed.
Riddle AnswerTomorrow’s Yesterday
Handshakes Between 7 People
How many handshakes occur when a group of 7 people shake hands exactly once with every other person in the group?
Riddle AnswerSpider’s Web Puzzle
A spider is trying to build a web for itself. The web built by it doubles every day.
If the spider completely built the web in 15 days, how many days did it take for the spider to build 25% of the web?
Riddle Answer