BRAIN TEASERS

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How many squares can you cou...

How many squares can you count in the given picture?

Correct answers: 115

The first user who solved this task is Neelima Subrahmanyam.

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Undercover Detective

A tourist asks a man in uniform, "Are you a policeman?"
"No, I am an undercover detective."
"So why are you in uniform?"
"Today is my day off."

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Escalator

In 1892, an escalator design was patented in the U.S. by inventor Jesse W. Reno of New York City. It was built and opened in Sep 1895 as a new Coney Island amusement ride, a conveyor belt that moved people up a 25 degree slope. The first escalator-type patent issued in the U.S. on 9 Aug 1859, was held by Nathan Ames of Saugus, Mass. (No. 25,076), which had steps mounted on an inclined endless belt or chain. The Otis Elevator Company registered the U.S. trademark Escalator on 29 May 1901. Otis manufactured their first escalator in 1900 which they had exhibited at the Paris Exposition in that year, and then installed at the Gimbal Brothers store in Philadelphia, Penn. in 1901. Otis later bought Reno's company.«

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