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Find number abc

If 54ca7 + 997c1 = 1546bc find number abc. Multiple solutions may exist.

Correct answers: 12

#brainteasers #math

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Astronaut

What do you call a man who doesn't cheat on his wife when he is away on business?

An astronaut!

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Edison patent

In 1912, Thomas A. Edison received U.S. patent No. 1036470 for a "Phonographic Apparatus," and No. 1036471 for a "Storage Battery."

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