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MATH PUZZLE: Can you replace...

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

Correct answers: 97

The first user who solved this task is On On Lunarbasil.

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The Advil Commandments

So Moses is up on Mount Sinai and he says to God, "God, do I have a pounding headache!"
And God says, "Here, take these two tablets."

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Rocket patent

In 1859, Andrew Lanergan, of Boston, Mass., received the first rocket patent for "an improvement in exhibition rockets" (U.S. No. 24,468). His design allowed for the fuse (which he called the "match") to be pre-assembled with the rocket. The outer end of the fuse was packed inside a recess at the bottom of the rocket and covered with a light seal which could be easily broken to draw out the fuse when needed. Thus, he claimed a greater safety from accidental firing by falling cinders or sparks falling on exposed fuses.

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