You wake up one morning and there’s been a power outage. You know you have 12 black socks and 8 blue ones. How many socks do you need to pull out before you’ve got a match?
You will need to pull out 3 socks, not 9 socks.
As there are only 2 different colours, you will just need 3 socks to guarantee that 2 socks are of the same colour.
Alice, Bob and Charlie are one of each type:
- a truth teller (always tells the truth)
- a liar (always lies)
- and a spy (can lie or tell the truth)
They make the following statements:
Alice: I am not a truth teller.
Bob: I am not a spy.
Charlie: I am not a liar.
What type is Charlie? Riddle Answer
(A) Truth teller
(D) There is not enough information
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 Answer
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 Answer
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 Answer