Which number should replace the question mark?
[31] Which number should replace the question mark? - Which number should replace the question mark? - #brainteasers #math #riddles - Correct Answers: 59 - The first user who solved this task is Sanja Šabović
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Which number should replace the question mark?

Which number should replace the question mark?
Correct answers: 59
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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The secret of my success

Grandpa was celebrating his 100th birthday and everybody complimented him on how athletic and well-preserved he appeared.

"Gentlemen, I will tell you the secret of my success," he cackled. "I have been in the open air day after day for some 75 years now."

The celebrants were impressed and asked how he managed to keep up his rigorous fitness regime.

"Well, you see my wife and I were married 75 years ago. On our wedding night, we made a solemn pledge. Whenever we had a fight, the one who was proved wrong would go outside and take a walk."

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Dan Bricklin

Born 16 Jul 1951.American computer scientist who with Bob Frankston created VisiCalc, the first spreadsheet computer program (1979) which created a market beyond hobbyists for the emerging personal computers. Businesses found the program very useful because of the speed and accuracy of its calculations. Originally written in 6502 assembly language to run on a 32K-byte Apple II, it was soon ported to virtually all major 6502- and Z80-based personal computers then available. They did not reap huge financial profits from the spreadsheet program, despite eventually selling over a half-million copies by 1983, because at the time, copyright protection was not generally sought for software, and it was subsequently surpassed by Lotus 1-2-3.«
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