BRAIN TEASERS

enter your answer and press button OK

Calculate 1357+1919

IF 8638+7542=105 and 5589+2468=225 THEN 1357+1919=?

Correct answers: 21

The first user who solved this task is Allen Wager.

#brainteasers #math #riddles

Register with your Google Account and start collecting points.

Check your ranking on list.

Six months to live...

"Mr. Clark, I'm afraid I have bad news," the doctor told his anxious patient. "You only have six months to live."

The man sat in stunned silence for the next several minutes. Regaining his composure, he apologetically told his physician that he had no medical insurance. "I can't possibly pay you in that time."

"Okay," the doctor said, "let's make it nine months."

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...

Liquifaction of oxygen

In 1879, the liquefaction of oxygen was announced by Raoul Pierre Pictet (1846-1929), a Swiss chemist and physicist, by sending a telegram to the French Academy: Oxygen liquefied today under 320-atm and 140 degrees of cold by combined use of sulfurous and carbonic acid. French physicist Louis Cailletet made a similar announcement two days later. Pictet's early interest was in ice-making machines. Later, he studied extremely low temperatures and the liquefaction of gases. Both Pictet and Cailletet used both cooling and compression to liquefy oxygen but they achieved this using different techniques. Pictet's method had an advantage in that produced the liquid gas in greater quantity and was easier to apply to other gases.[Image: part of a Pictet machine to cool down glycerine, which was pumped through a piping system in the first artificial skating track:]

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.