Find number abc
[6930] Find number abc - If 68980 + bcb4a = a4abca find number abc. Multiple solutions may exist. - #brainteasers #math - Correct Answers: 17 - The first user who solved this task is Nasrin 24 T
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Find number abc

If 68980 + bcb4a = a4abca find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
#brainteasers #math
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A six-year-old boy called his...

A six-year-old boy called his mother from his friend Charlie's house and confessed he had broken a lamp when he threw a football in their living room.
"But, Mom," he said, brightening, "you don't have to worry about buying another one. Charlie's mother said it was irreplaceable."
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Refrigerator patent

In 1899, Albert T. Marshall of Brockton, of Brockton, Mass., received a U.S. patent for a refrigerator, titled “Automatic Refrigerating Apparatus.” It was “to provide means for automatically regulating the admission of the refrigerating medium [anhyrous ammonia] to the expansion pipes or chambers; second, to combine a thermostat and rheostat to automatically control” the pump motor. He also added an automatic motor cut-off in case it was needed, and a means for automatically regulating the water used for cooling the refrigerant. For the next quarter century, he filed more patents, assigning them to the Automatic Refrigeration Company which introduced its first household refrigerators in 1914. By 1918 they introduced their first refrigerator with automatic control. The company became Kelvinator Corp. (24 Sep 1917). «
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