BRAIN TEASERS

enter your answer and press button OK

A book costs $1 plus half it...

A book costs $1 plus half its price. How much does it cost?

Correct answers: 69

The first user who solved this task is Djordje Timotijevic.

#brainteasers #math #riddles

Register with your Google Account and start collecting points.

Check your ranking on list.

In the back of the Guinness Bo...

In the back of the Guinness Book of World Records it states "All records are currently held by Chuck Norris, and the records listed in this book are only the records of those people who have come closest to Chuck Norris' records."

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...

First patent grant

In 1449, the earliest English patent was granted to John of Utynam protection for introducing the making colored glass to England. In what was probably the first grant by an instrument of letters patent, King Henry VI gave this exclusive privilege for a term of 20 years during which none of his subjects could use such arts without the consent of John. This was for the benefit of the King, who directed John of Utynam to create stained-glass windows for the King's new institutions: Eton College and King's College, Cambridge. John had recently returned to England from Flanders and brought back knowledge of other subjects which the King wished John to teach his subjects, as well as tutoring some assistants in the skills of making coloured glass for the creation of his windows.«

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.