The Relativity of Truth
“What is your age?” asked the judge. “Remember you’re under oath”
“I am twenty one years and some months” the woman answered.
Really she was an...
The riddle of The Sphinx
The Sphinx lurked outside Thebes in ancient Greece, and demanded passers-by answer a riddle:
'Which creature in the morning goes on four legs, at...
Round or square?
This is frequently asked interview puzzleWhy is it better to have round manhole covers than square ones?Круглые крышки не могут проваливаться, в отличие от...
Survivorship bias and the flip side of things
During World War II, the Hungarian mathematician Abraham Wald, who worked in the SRG laboratory in New York, considered how to minimize bomber losses...
Vigilant woman – a detective story
A woman is sitting in her hotel room when there is a knock at the door. She opened the door to see a man...
Creative riddles
1. How to pour the syrup inside the chocolate candy?2. How to light a match with water?3. A man throws a ball. It goes...
Detective’s find
Once a detective found a pipe, a top hat, a scarf,
a carrot and five pieces of coal lying together
in the middle of a field.
What...
Say everything in one sentence
Once upon a time, in the West Lake village, a servant lived with his master. After service of about 30 years, his master became...
How to get a million dollars
You are on a game show.
You are standing before two doors.
Behind one is 1 million dollars, and behind the other is a donkey.There are...
Shortest Intelligence Test : Three Questions
Conscious thought and effort or intuitive answer
Massachusetts Institute of Technology (MIT) professor Shane Frederick in his paper titled "Cognitive Reflection and Decision Making" (2005)...
Simple password
A man wanted to enter an exclusive club but did not know the password that was required. He waited by the door and listened.
A...
Successful interview
Interviewer at a reputed business school said to the student "I shall either ask you ten easy questions or one really...