Can you replace the question mark with a number?
[6481] Can you replace the question mark with a number? - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 38 - The first user who solved this task is Nasrin 24 T
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 38
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
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A Texan was taking a taxi tour...

A Texan was taking a taxi tour of London and was in a hurry. As they went by the Tower of London the cab driver explained what it was and that construction of it started in 1346 and was completed in 1412.
The Texan replied, "Shoot, a little ol' tower like that? In Houston we'd have that thing up in two weeks!"
Next they passed the House of Parliament - started in 1544 and completed in 1618.
"Well boy, we put up a bigger one than that in Dallas and it only took a year!"
As they passed Westminster Abbey the cab driver was silent.
"Whoah! What's that over there?" asked the Texan.
The driver replied, "I don't know, it wasn't there yesterday."
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Latimer patent

In 1886, a U.S. patent was issued for an “Apparatus for Cooling and Disinfecting” to African-American Lewis H. Latimer. (No. 334,078). It consisted of a suitable fabric stretched between a water reservoir and a drip-pan to saturate it and present “a large evaporating surface to cool air about passing over it.” It could be placed in a window frame so that air passing through it would be cooled by evaporation of the water. In neighborhoods with unpleasant odors, deodorizing or disinfecting liquids could be added to or substitute the water, using “chemical agents - such as carbolic acid, bromochloralum, &c.,” to destroy such odors or germs. His first patented invention was for a water-closet for railroad cars (10 Feb 1874, No. 147,363).«
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