MATH PUZZLE: Can you replace...
[2664] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 288 - The first user who solved this task is Erkain Mahajanian
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 288
The first user who solved this task is Erkain Mahajanian.
#brainteasers #math #riddles
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Breakthrough?

Millions of years ago, there was no such thing as the wheel. The only way to move things was by carrying or dragging. One day, some primitive guys were watching their wives drag a dead mastodon to the food preparation area. It was exhausting work. The guys were getting tired just WATCHING.
Then they noticed some large, smooth, rounded boulders and they had an idea. They could sit on the boulders and watch! This was the first in a series of breakthroughs that ultimately led to television.
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Pioneer 3 launch

In 1958, the U.S. army's moon probe, Pioneer 3, was launched, but due to depletion of propellant, fell back to Earth after reaching 65,000 miles into space. Although it failed in its first objective of a lunar flyby, there was still scientific success because its detection equipment provided two almost complete cross-sections of space surrounding the Earth. There are two sharply defined bands of radiation girdling the earth. The first one lies between 1,400 and 3,400 miles from the earth’s surface; the second is between 8,000 and 12,000 miles out. Dr. James Van Allen reported that radiation in the heart of each belt was measured and compared with the count in between the bands.«
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