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...

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...

A bus stop pick-up riddle

While driving on your way home, you pass by a bus stop and see among the people waiting for the bus, an old lady...

Party detective story

A man walks into a party and pours some punch and ice into a cup. He was really thirsty and drank it really fast. Then...

Resourceful postman

When the postman arrived at the Smith home to deliver mail through a slot in the front door, he was surprised to find the...

Life-saving decision for the ship and crew

A Navy sailor on the deck of a cruiser noticed an naval mine in the water directly in the path of the ship. With...

Snakebite

On an exotic island you were bitten by a venomous snake. Fortunately, in the nearest settlement there was a doctor. He examined the wound and...
Creative riddle ha ha reaction

“AHA and” HAHA” reactions (a)

1. What has two hands and a face, but no arms and legs? 2. What has a neck, but no head? 3. Why did the man...

Missing petrol

During the gasoline transporting from one plant to another, the fuel tanker ever wasted 10 liters of gasoline. The process of filling the tank...
Spinning Girl. Silhouette Illusion

The spinning girl

What direction is the girl spinning in, clockwise or counter-clockwise? If you turn your gaze to the shadow, then at the same moment, the direction of...

Sarah Bernardth creative solution

The great French actress Sarah Bernhardt, at the height of her fame, has found a rival in the person of one young actress, who...
Spartacus. Example of creative decision

Spartacus creative solution

Spartacus had been surrounded and locked by the Roman cohorts at the top of Mount Vesuvius. A huge army stood in front of  him and a deep chasm...