Find number abc
[7083] Find number abc - If caa3c - 5ab5a = 4b187 find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 16 - The first user who solved this task is Nasrin 24 T
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Find number abc

If caa3c - 5ab5a = 4b187 find number abc. Multiple solutions may exist.
Correct answers: 16
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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Mr. Jones is driving past the...

Mr. Jones is driving past the state mental hospital when his left rear tire suffers a flat. While he is changing the tire, another car goes by, running over the hub cap in which he was keeping the lug nuts. The nuts are all knocked into a nearby storm drain.
He is at a loss for what to do and is about to go call a cab when he hears a shout from behind the hospital fence, where one of the inmates has been watching the whole thing.
"Hey, pal! Why don't you just take one lug nut off each of the other three wheels and use them to replace the missing ones? That'll hold your tires on until you can get to a garage or something."
Mr. Jones is startled by the patient's seeming rationality, but realizes the plan will work, and installs the spare tire without incident. Before he leaves, he calls back to the patient. "You know, that was pretty sharp thinking. Why do they have you in there?"
The patient smiles and says, "I'm in here because I'm crazy, not because I'm stupid."
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Portland cement

In 1824, in Yorkshire, England, Joseph Aspdin, a stone mason, patented Portland cement, made by burning finely pulverized lime and clay at high temperatures in kilns (UK patent No. 5022). Thus Aspdin had made a manufactured counterpart to natural or Roman cement - a crude formulation of lime and volcanic ash used as early as 27 BC. Aspdin produced a hydraulic cement that would harden with the addition of water. He named his invention "Portland cement" not only to distinguish it from Roman cement, but also as a marketing tool: concrete made from his new cement resembled a highly prized building stone quarried on the Isle of Portland off the British coast. Like flour in a fruit cake, cement glues aggregate (sand or gravel) together to make a "rock" (concrete).
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