Find number abc
[7773] Find number abc - If bc32b + c2584 = abacaa find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 4
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Find number abc

If bc32b + c2584 = abacaa find number abc. Multiple solutions may exist.
Correct answers: 4
#brainteasers #math
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A vampire bat came flapping in...

A vampire bat came flapping in from the night covered in fresh blood and parked himself on the roof of the cave to get some sleep.

Pretty soon all the other bats smelled the blood and began hassling him about where he got it.

He told them to go away and let him get some sleep but they persisted until finally he gave in.

"OK, follow me" he said and flew out of the cave with hundreds of bats behind him.

Down through the valley they went, across a river and into a forest full of trees.

Finally he slowed down and all the other bats excitedly milled around him.

"Now, do you see that tree over there?" he asked.

"Yes, Yes, Yes!" the bats all screamed in a frenzy.

"Good" said the bat, "Because I sure didn't!"
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Black American patent

In 1896, black American inventor, Willie H. Johnson, of Navasota, Texas, was issued a U.S. patent for "A Mechanism for Overcoming Dead Centers" which occur in machines when a shaft is driven by a crank (No. 554,223). The essential part of his invention consisted of a two-part or compound crank-rod of such construction that the members automatically locked together at the proper point in the stroke, so as to act as a single rod, and at other intervals of its travel would automatically unlocked, so that each member would act independently of the other. Either could act to carry the stroke past the top dead center of the other. Johnson secured a second patent in Oct 1898 for an improvement to his design (No. 612,345).
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