MATH PUZZLE: Can you replace...
[2833] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 4204 - The first user who solved this task is Donya Sayah30
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 4204
The first user who solved this task is Donya Sayah30.
#brainteasers #math #riddles
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A man boarded a train and said...

A man boarded a train and said to the conductor, “I’m a heavy sleeper.
Please be sure to wake me at 2:00 a.m. so that I can get off in Atlanta. Whatever I say, get me up. I have an extremely important business there!” The next morning the man woke up in Richmond. He found the conductor and shouted, “Do you know how angry I am?” “Probably about as angry as the man I had get off in Atlanta,” replied the conductor
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Columbium

In 1801, Charles Hatchett announced to the Royal Society in London that he had discovered a new element, which he named columbium (Cb). In 1801, while working for the British Museum in London he analyzed a piece of columbite, a black mineral from New England, found by JohnWinthrop (1606-1676), the first governor of Connecticut, a mineral collector. His grandson sent the specimen decades before to Sir Hans Sloane, who gave it to the museum. Columbite turned out to be a very complex mineral but Hachett discovered that it contained a “new earth”which implied the existence of a new element which he could detect, but not isolate. Rediscovered 40 years by German chemist, Heinrich Rose, it is now called niobium.«
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