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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?

Correct answers: 98

The first user who solved this task is Fazil Hashim.

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A guy had just returned from t...

A guy had just returned from two weeks of vacation. He asked his boss for two more weeks off to get married.
"What?" shouted the boss, "I can't give you more time now. Why didn't you get married while you were off?"
"Are you nuts?" he replied. "That would have ruined my whole vacation."

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Rolf William Landauer

Died 27 Apr 1999 at age 72 (born 4 Feb 1927).German-born American physicist known for his formulation of Landauer's principle concerning the energy used during a computer's operation. Whenever the machine is resetting for another computation, bits are flushed from the computer's memory, and in that electronic operation, a certain amount of energy is lost. Thus, when information is erased, there is an inevitable "thermodynamic cost of forgetting," which governs the development of more energy-efficient computers. While engineers dealt with practical limitations of compacting ever more circuitry onto tiny chips, Landauer considered the theoretical limit, that if technology improved indefinitely, how soon will it run into the insuperable barriers set by nature?«

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