Ship Ladder Puzzle

A ship is at anchor. Over its side hangs a rope ladder with rungs a foot apart. The tide rises at the...

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...

Small coin in the bottle

A guy claims to do the following thing. He puts a coin in a glass bottle. Then, he shuts the mouth of the bottle...

The Light Switches Riddle

There are three switches outside a closed room. There are three lamps inside the room. You can flip the switches as much as you...

Mystery of Missing Petrol

During the petrol transporting from one plant to another, the fuel tanker ever wasted 10 litres of petrol. The process of filling the tank at...

Successful interview

Interviewer at a reputed business school said to the student "I shall either ask you ten easy questions or one really...

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...

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...

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...

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...

Passage problem

A car with a container set in the body drives the road that leads under the railway bridge. Just before the bridge the driver...

The school inspection

A school teacher knew that the school superintendent would visit the next day. The superintendent would ask questions such as spelling or mental...