Which number should replace the question mark?
[74] Which number should replace the question mark? - Which number should replace the question mark? - #brainteasers #math #riddles - Correct Answers: 303 - The first user who solved this task is Slobodan Strelac
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Which number should replace the question mark?

Which number should replace the question mark?
Correct answers: 303
The first user who solved this task is Slobodan Strelac.
#brainteasers #math #riddles
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Pilot: Have you ever flown in ...

Pilot: Have you ever flown in a small plane before?

Passenger: No, I have not.

Pilot: Well, here is some chewing gum. It will help to keep your ears from popping.

Pilot (after the plane landed): Did the gum help?

Passenger: Yep. It worked fine. The only trouble is I can’t get the gum out of my ears.
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Dewar shows objects cooled with liquid air

In 1895, James Dewar demonstrated the intimate connection between phosphorescence and photographic action of the electric light on bodies cooled to the temperature of boiling liquid air. Presented at the Royal Institution, these experiments were reported as “very remarkable.”
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