What is the missing number?
[4984] What is the missing number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 75 - The first user who solved this task is Djordje Timotijevic
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What is the missing number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 75
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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Out in the car...

A man had been drinking at the bar for hours when he mentioned something about his girlfriend being out in the car.

The bartender, concerned because it was so cold, went to check on her. When he looked inside the car, he saw the drunk's buddy, Pete, and the man's girlfriend kissing in the back seat. The bartender shook his head and walked back inside. He told the drunk that he thought it might be a good idea to check on his girlfriend.

The drunk staggered outside to the car, saw Pete and his girlfriend kissing, then walked back into the bar, laughing.

"What's so funny?" the bartender asked.

"That darned Pete!" the drunk chortled. "He's so drunk, he thinks he's me!"

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Eugenio Beltrami

Born 16 Nov 1835; died 18 Feb 1900 at age 64.Italian mathematician and mathematical physicist known for his concepts of non-Euclidean geometry. In 1865, he published a paper on how line elements on the surfaces of constant curvature could be represented by linear expressions. His approach offered a new representation of the geometry of constant curvature that was consistent with Euclidean theory. Beltrami studied elasticity, wave theory, optics, thermodynamics, and potential theory, and was among the first to explore the concepts of hyperspace and time as a fourth dimension. His investigations in the conduction of heat led to linear partial differential equations. Some of Beltrami's last work was on a mechanical interpretation of Maxwell's equations.
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