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Replace the question mark with a number

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

Correct answers: 490

The first user who solved this task is Vladimir Krnac.

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Hunting With A Wife

A hunter visited another hunter and was given a tour of his home. Ibn the den was a stuffed lion. The visiting hunter asked, "when did you bag him?"
The host said, "that was three years ago, when I went hunting with my wife."
"What's he stuffed with," asked the visiting hunter.
"My wife."

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Laroy S. Starrett

Born 25 Apr 1836; died 23 Apr 1922 at age 85.Laroy Sunderland Starrett was an American inventor and manufacturer who held over 100 patents, many for fine measurement tools, including the micrometer screw guage (patented 29 Jul 1890) that is familiar to present-day machinists and physics lab workers. His first patent (23 May 1865) was for a meat chopper, which he had manufactured for him, but marketed it himself. This product was successful, and his next patents for shoe studs and hooks provided enough income to establish his own factory. He began making a combination square. This was a try-square with a head that could be moved and clamped at any position along the blade, which he patented 26 Feb 1879. He added products including rules, surface guages, and other small tools. His business became the world's largest in his specialty. When he died, it had over five acres of production space, and 1,000 workers.«

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