Calculate the number 8971
[5371] Calculate the number 8971 - NUMBERMANIA: Calculate the number 8971 using numbers [2, 8, 9, 5, 92, 852] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 17 - The first user who solved this task is Djordje Timotijevic
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Calculate the number 8971

NUMBERMANIA: Calculate the number 8971 using numbers [2, 8, 9, 5, 92, 852] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 17
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania
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Welfare Office

A woman went down to the Welfare Office to get aid.

The office worker asked her, "How many children do you have?"

"Ten," she replied.

"What are their names?" he asked.

"David, David, David, David, David, David, David, David, David and David," she answered.

"They're all named David?" he asked "What if you want them to come in from playing outside?"

"Oh, that's easy," she said. "I just call 'David,' and they all come running in."

"And, if you want them to come to the table for dinner?"

"I just say, 'David, come eat your dinner'," she answered.

"But what if you just want ONE of them to do something?" he asked.

"Oh, that's easy," she said. "I just use their last name!"

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Moon radar

In 1946, the U.S. Army Project Diana team detected radar signals reflected off the moon's surface. A 180 cycle wave pulse with a 1/4 sec duration was beamed by the Army Signal Corps from the Evans Signal Laboratories, Belmar, N.J. The echo was received 2.4 sec. later, proving that radio waves could penetrate Earth's atmosphere. The experiment was supervised by Lt. Col. John H. De Witt, the broadcasting pioneer and amateur astronomer who first came up with the idea in 1940. His early amateur attempts were unsuccessful, but his chance came a few years later, after WW II, courtesy of the U.S. Army, at the Signal Corps Laboratories. During the war, he had developed radar for locating mortars and directing counterfire.«[Image: A wartime SCR-271 bedspring radar antenna, greatly modified for use in the experiment.]
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