Can you replace the question mark with a number?
[6530] 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: 96 - 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: 96
The first user who solved this task is Nasrin 24 T.
#brainteasers #math #riddles
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Counting sheep

The sheep dog says to the farmer, “Here are your 20 sheep.”

The farmer says, “but I only have 17 sheep.”

“I know,” says the sheep dog, “I rounded them up.”

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Rudolf Wolf

Died 6 Dec 1893 at age 77 (born 7 Jul 1816).Swiss astronomer and astronomical historian. Wolf's main contribution was the discovery of the 11 year sunspot cycle and he was the codiscoverer of its connection with geomagnetic activity on Earth. In 1849 he devised a system now known as Wolf's sunspot numbers. This system is still in use for studying solar activity by counting sunspots and sunspot groups. In mathematics, Wolf wrote on prime number theory and geometry, then later on probability and statistics - a long paper discussed Buffon's needle experiment. He estimated πby Monte Carlo methods.
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