Can you replace the question mark with a number?
[6515] 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: 43 - The first user who solved this task is Nílton Corrêa de Sousa
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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: 43
The first user who solved this task is Nílton Corrêa de Sousa.
#brainteasers #math #riddles
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Faking Your Age

A 60-year-old millionaire is getting married and throws a big wedding reception. His friends are quite jealous and in a quiet moment, one of them asks him how did he land such a hot 23-year-old beauty.
“Simple,” grins the millionaire, “I faked my age.'
His friends are really amazed and ask him how much he said.
'Well,' he replied, 'I said I was 87!'

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Trans-Alaska pipeline

In 1977, the $7.7 billion trans-Alaskan oil pipeline opened. The $7.7 billion project links oil fields in Prudhoe Bay to the shipping port of Valdez, where oil arrives 38 days later. Because of the earth's heat at greater depths, oil pumped from the Prudhoe Bay field, which is 10,000-to-20,000 feet deep, is at about 145 to 180 degrees F. Using heat exchangers that work like a car's radiator, the oil companies cool the oil to about 120 degrees before it enters the pipeline. The pipe is a tube of 1/2-inch thick steel with a diameter of 48 inches, wrapped with four inches of fiberglass insulation and a cover of aluminum sheet metal. Where it snakes over land, the pipeline is supported by posts designed to keep permafrost frozen.
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