Calculate the number 7263
[6260] Calculate the number 7263 - NUMBERMANIA: Calculate the number 7263 using numbers [5, 7, 4, 2, 80, 790] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 10 - The first user who solved this task is Fazil Hashim
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Calculate the number 7263

NUMBERMANIA: Calculate the number 7263 using numbers [5, 7, 4, 2, 80, 790] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Fazil Hashim.
#brainteasers #math #numbermania
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A small boy is sent to bed by...

A small boy is sent to bed by his mother...
[Five minutes later]
"Mom..."
"What?"
"I'm thirsty. Can you bring me a glass of water?"
"No. You had your chance. Lights out."
[Five minutes later]
"Mom..."
"WHAT?"
"I'm THIRSTY... Can I have a glass of water?"
"I told you NO! If you ask again I'll have to spank you!!"
[Five minutes later]
"Mom..."
"WHAT??!!"
"When you come in to spank me, can you bring me a glass of water?"
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Armand-Hippolyte-Louis Fizeau

Born 23 Sep 1819; died 18 Sep 1896 at age 76. French physicist who was the first to measure the speed of light successfully without using astronomical calculations (1849). Fizeau sent a narrow beam of light between gear teeth on the edge of a rotating wheel. The beam then traveled to a mirror 8 km/5 mi away and returned to the wheel where, if the spin were fast enough, a tooth would block the light. Knowing this time from the rotational speed of the wheel, and the mirror's distance, Fizeau directly measured the speed of light. He also found that light travels faster in air than in water, which confirmed the wave theory of light, and that the motion of a star affects the position of the lines in its spectrum. With Jean Foucault, he proved the wave nature of the Sun's heat rays by showing their interference (1847).
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