Find number abc
[4461] Find number abc - If c25b6 - bcca2 = 5acca find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 47 - The first user who solved this task is Djordje Timotijevic
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Find number abc

If c25b6 - bcca2 = 5acca find number abc. Multiple solutions may exist.
Correct answers: 47
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math
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Spaghetti

A wealthy man was having an affair with an Italian woman for several months. One night, during one of their rendezvous, she confided in him that she was pregnant. Not wanting to ruin his reputation or his marriage, he paid her a large sum of money if she would go to Italy to secretly have the child. If she stayed in Italy to raise the child, he would also provide child support until the child turned 18. She agreed, but asked how he would know when the baby was born. To keep it discreet, he told her simply to mail him a post card, and write "Spaghetti" on the back. He would then arrange for child support payments to begin.
One day, about 9 months later, he came home to his confused wife. "Honey," she said, "you received a very strange post card today."
"Oh, just give it to me and I'll explain it" he said.
The wife obeyed, and watched as her husband read the card, turned white, and fainted.
On the card was written: "Spaghetti, Spaghetti, Spaghetti. Two with meatballs, one without."

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Simon Lake submarine patent

In 1897, a U.S. patent was issused for a "Submarine Vessel" invented by Simon Lake (No. 581,213). It described oscillatory lateral vanes on the sides of the vessel to set for ascending or descending, a weight to shift fore-and-aft to keep the vessel on an even keel, a compressed air reservoir, ballast tanks, an "air-tight diver's chamber provided at the bottom with a trap" (suitable for diving salvage operations), and wheels to travel on the water-bed which could be propelled and steered from within. Lake was interested in the use of a submarine for commercial, rather than military, purposes. It had a hinged observation tube, which could be provided with a mirror (forerunner of the perioscope). It was expected to be steam-powered on the surface (but in practice the heat generated by the boiler was intolerable to a crew, and thus impracticable.)«[Image: rear view of submarine, showing hull with lateral vanes, wheels and propeller.]
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