Calculate the number 3315
[3714] Calculate the number 3315 - NUMBERMANIA: Calculate the number 3315 using numbers [8, 8, 7, 3, 98, 572] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once. - #brainteasers #math #numbermania - Correct Answers: 18 - The first user who solved this task is Eugenio G. F. de Kereki
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Calculate the number 3315

NUMBERMANIA: Calculate the number 3315 using numbers [8, 8, 7, 3, 98, 572] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 18
The first user who solved this task is Eugenio G. F. de Kereki.
#brainteasers #math #numbermania
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The Greatest Golf Ball

First golfer: “I have the greatest golf ball in the world. You can’t lose it.”
Second golfer: “How so?”
First golfer: “If you hit it into the sand, it beeps. You hit it into the water, it floats. If you want to play golf at night it glows.”
Second golfer: “Hey, sounds good. Where did you get it?”
First golfer: “I found it in the woods.”

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Wireless telephone at White House

In 1919, President Wilson used a radio telephone set up on the south portico of the White House to direct the maneuvers of a dozen army airplanes flying over the Potomac river several miles away. His telephoned directions went direct to the flight commander in the air. The instrument was similar to those used by American aviators in France in the latter part of World War I. Col. C. C. Culver actively developed the equipment. He began the project in Aug 1910. No new invention was needed, only adaptation and adjustment of existing techniques. By Aug 1916, he was able to send a radio telegraph signal from a plane. Enlisting expert help from the telephone companies, by Oct 1917, voice messages could be send between a plane and the ground. The system was put into service for military wartime use.«
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