BRAIN TEASERS

enter your answer and press button OK

How many different squares c...

How many different squares can be found in the shape shown in the illustration?

Correct answers: 165

The first user who solved this task is Ilan Amity.

#brainteasers #math #riddles

Register with your Google Account and start collecting points.

Check your ranking on list.

When the dictator of North Kor...

When the dictator of North Korea had a sex change, he also changed his name: Kim Un Hung.

Jokes of the day - Daily updated jokes. New jokes every day.

Follow Brain Teasers on social networks

Brain Teasers

puzzles, riddles, mathematical problems, mastermind, cinemania...

Edison applies for first patent

In 1868, Thomas Edison of Boston, Mass., first patent application was received and recorded by the Patent Office. It was for an “Electrographic Vote Recorder.” The device, the first of its kind, would enable a legislator to register a vote either for or against an issue by turning a switch to the right or left. His application was executed (signed and dated) on 13 Oct 1868, and issued by the U.S. Patent Office on 1 Jun 1869 (No. 90,646). He eventually held over 1,500 patents.«

This site uses cookies to store information on your computer. Some are essential to help the site properly. Others give us insight into how the site is used and help us to optimize the user experience. See our privacy policy.