A firefighter stood on the m...
[4801] A firefighter stood on the m... - A firefighter stood on the middle rung of a ladder, spraying water on a burning house. He then climbed up 6 rungs before the heat of the flames caused him to come down 10 rungs. After some minutes he was able to climb 18 rungs to the very top of the ladder. How many rungs did the ladder have? - #brainteasers #math #riddles - Correct Answers: 51 - The first user who solved this task is Djordje Timotijevic
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A firefighter stood on the m...

A firefighter stood on the middle rung of a ladder, spraying water on a burning house. He then climbed up 6 rungs before the heat of the flames caused him to come down 10 rungs. After some minutes he was able to climb 18 rungs to the very top of the ladder. How many rungs did the ladder have?
Correct answers: 51
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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Gave a bum five whole dollars

A woman was chatting with her next-door neighbor. "I feel really good today. I started out this morning with an act of unselfish generosity. I gave a five dollar bill to a bum."

"You gave a bum five whole dollars? That's a lot of money to just give away. What did you husband say about it?"

"Oh, he thought it was the proper thing to do. He said, 'Thanks.'"

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Henri Becquerel

Born 15 Dec 1852; died 25 Aug 1908 at age 55. Antoine-Henri Becquerel was a French physicist who discovered radioactivity in fluorescent salts of uranium. “In recognition of the extraordinary services he has rendered by his discovery of spontaneous radioactivity,” he shared the 1903 Nobel Prize for Physics (with Pierre and Marie Curie). His early researches were in optics. In 1896, in a drawer, he had stored for a few days a photographic plate in black paper, and some uranium mineral crystals left on it. Later, he found developed the plate was fogged. The crystals, long out of sunlight, could not fluoresce, yet he accidentally discovered the salt was a source of a penetrating radiation: radioactivity. Three years later he showed the rays were charged particles by their deflection in a magnetic field. Initially, the rays emitted by radioactive substances were named after him.«
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