Creative vision through the eyes of a child
While сhanging the wheel of his car, a man dropped all four nuts of his fastening in the sewer grid, from where it was...
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...
Do the Opposite. How to get a good shot.
A duke was hunting in the forest with his men-at-arms and servants when he came across a tree. Upon it, archery targets were painted...
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,...
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...
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...
Three cups puzzle
There are 3 empty teacups on the table. Can you put 10 lumps of sugar in them so that there would be an odd...
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...
Inventive General: Unraveling Story that Requires a Creative Solution
During a momentous battle, a Japanese general decided to attack even though his army was greatly outnumbered. He was confident they would win, but...
The Candle Problem by Karl Duncker, 1945
You are in a room with a table pushed against the wall.
On it is a box of thumbtacks, matches, and a candle.
You must fix...
The benefits of capacity seeing yourself through the eyes of others
Three hats are offered to two players – one white and two red.
They close their eyes and are told that each of them will...
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...