MATH PUZZLE: Can you replace...
[2989] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 2987 - The first user who solved this task is Дејан Шкребић
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 2987
The first user who solved this task is Дејан Шкребић.
#brainteasers #math #riddles
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The good news

A man goes into the hospital for some tests. The medical staff knocks him out, and when he comes around there is a doctor peering over him, pulling up his eyelid and wielding the reflex hammer.

The doctor says: "Ah, I'm glad you're awake. I'm afraid I have some good news and some bad news."

The man says: "Don't hold back, Doc, tell me the bad news."

The doctor says "Your condition was worse than we thought and we had to amputate both of your legs."

The man asks: "What is the good news, then?"

The doctor replies: "The man in the next bed wants to buy your slippers."

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Micrometer screw guage patent

In 1890, Laroy Sunderland Starrett received a U.S. patent for his micrometer screw guage (No. 433,311), which is the form still familiar and indispensible to any machinist or person measuring small objects in a physics lab. Since 1881, he had worked to improve the micrometers then existing. His design had a vernier scale, a smaller head, a locking device and a small knob extending from the barrel to enable quick rotation while closing the initial gap to the inserted object being measured. By 1899, his micrometer was available in a one-inch size for $6.50, including a leather case. He took out many other patents for the tools he invented or improved, and established a substantial tool manufacturing business.«
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