Neal is standing in a straight line of people. Counting from the front, he is the 4th person; and counting from the back he is the 11th person.

How many people are in the line?

Riddle AnswerNeal is standing in a straight line of people. Counting from the front, he is the 4th person; and counting from the back he is the 11th person.

How many people are in the line?

Riddle AnswerAlex 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 AnswerHow many handshakes occur when a group of 7 people shake hands exactly once with every other person in the group?

Riddle AnswerA 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 AnswerThere are 4 keys and 4 locks. What is the maximum number of times you need to try the locks so as to match all 4 keys to their locks?

Riddle Answer