Emperor’s bold decision

At the beginning of our era, the Japanese had a custom: when the military commander passed away, all his servants were buried alive along...

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...

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...

Mystery of the bisected apple

A serial killer invited a prospective victim to her place. She offered her an apple. When she refused, she insisted that they share the apple. So,...

The Importance of a Good Problem Statement

A metal rod stirred the liquid molten metal. However, at the same time it was collapsing and polluting the metal. The solution to the problem...

Sarah Bernardth creative solution

The great French actress Sarah Bernhardt, at the height of her fame, found a rival in the person of one young actress, who was...

Time measurement task

A man has two ropes of varying thickness (Those two ropes are not identical, they aren’t the same density nor the same length nor...

The Fair strategy

Two people are attempting to divide a cake into two equal pieces. However, no matter where one person places the knife, the other person says...

Trouble-shooter’s solution

A well-known shoe company has established the production of sneakers in one of the poor countries of Africa. However, over time, the owners noticed...

Smart policemans

A homicide team enters a crime scene where a dead body of a fat old man lies there on the floor with blood oozing...

Round or square?

This is frequently asked interview puzzle Why is it better to have round manhole covers than square ones?A round manhole cover cannot fall through its...

The Story of Young Gauss

In the lesson on arithmetic, the teacher, who decided to do his own business, asked the students to compute the sum of all the...