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Find number abc

If 92cac + 82a0b = 17c7a9 find number abc. Multiple solutions may exist.

Correct answers: 43

The first user who solved this task is Djordje Timotijevic.

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Stop smoking

What the best way to get a guy to stop smoking after sex?

Fill his water bed with gasoline.

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Colorscope

In 1930, the Colorscope was first publically demonstrated in New York City. It used a photocell that reacts to colours of light, and could match colours more exactly than the human eye. The tiny electrical current generated was sufficient to operate relays or meters. It was invented by Harold H. Sheldon and Dr. Walter A Schneider.

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