Replace the question mark with a number
[3384] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 296 - The first user who solved this task is Djordje Timotijevic
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 296
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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It was three o'clock in the m...

It was three o'clock in the morning, and the receptionist at a posh hotel was just dozing off, when a little old lady came running towards her, screaming.
"Please come quickly!" she yelled, "I just saw a naked man outside my window!!!"
The receptionist immediately rushed up to the old lady's room.
"Where is he?" asked the receptionist.
"He's over there," replied the little old lady, pointing to an apartment building opposite the hotel.
The receptionist looked over and could see a man with no shirt on, moving around his apartment. "It's probably a man who's getting ready to go to bed," she said reassuringly. "And how do you know he's naked, you can only see him from the waist up?"
"The dresser, honey!" screamed the old lady. "Try standing on the dresser!"
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Fire sprinkler patent

In 1872, the first U.S. patent for an automatic sprinkler system was issued to Phillip W. Pratt, of Abington, Mass., titled “Improvement in Fire-Extinguishers” (No. 131,370). The system consisted of overhead, pivoted water-arms or perforated pipes, which when connected to a supply of water from a supply-pipe would revolve rapidly, throwing water in all directions, wetting ceiling, walls and floor. This operation was controlled by a valve opened by a spring-loaded lever, held closed by a system of cords and fuses. In case of a fire, when the fuses ignited, the cords burned, and the valve opened releasing the scattered stream of water. Pratt was an inventor holding a number of other patents, and is also credited with demonstrating the first electrically powered automobile in the U.S., a tricycle, on 27 Jul 1888.
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