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What is the missing number?

Identify the pattern to find the missing number.

Correct answers: 147

The first user who solved this task is Djordje Timotijevic.

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Fetch A Nice Price

I took a stuffed dog to the Antiques Roadshow and was told, "This is extremely rare. Do you know what it would fetch in good condition?"
"Dunno," I said. "A stick?"

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Johann Wilhelm Ritter

Died 23 Jan 1810 at age 33 (born 16 Dec 1776).German physicist who discovered the ultraviolet region of the spectrum (1801) and thus helped broaden man's view beyond the narrow region of visible light to encompass the entire electromagnetic spectrum from the shortest gamma rays to the longest radio waves. After studying Herschel's discovery of infrared radiation, he observed the effects of solar radiation on silver salts and deduced the existence of radiation outside the visible spectrum. He also made contributions to spectroscopy and the study of electricity.

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