Find number abc
[8030] Find number abc - If bb5c7 - bb09c = a35 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 1
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Find number abc

If bb5c7 - bb09c = a35 find number abc. Multiple solutions may exist.
Correct answers: 1
#brainteasers #math
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Solitaire

Two lunatics are in the rec room of an asylum. One is playing solitaire, and the other is watching. Suddenly, the watcher says, "Hey! You just cheated yourself!"
"Ssh!" The other whispers, "Don't tell anybody, but I've been cheating myself at solitaire for years."
The first nut whispers back, "But, don't you ever catch yourself?"
"Nope", the solitaire player say proudly, "I'm way too clever!"
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Railroad car coupler

In 1897, a U.S. patent was issued to black American inventor, Andrew Jackson Beard for his invention of the "Jenny coupler," (U.S. No. 594,059). It does the dangerous job of hooking railroad cars together by simply allowing them to bump into each other, when "horizontal jaws engage each other to connect the cars." Beard's idea has probably saved countless lives and limbs. It remains in use today. He received $50,000 for the patent rights to the "Jenny Coupler." Beard was born a slave on a plantation in Alabama, shortly before slavery ended. He was a farmer, carpenter, blacksmith, a railroad worker, a businessman and finally an inventor. Beard's other patents included a steam driven rotary engine, and a double plow.
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