BRAIN TEASERS

# Calculate the number 662

NUMBERMANIA: Calculate the number 662 using numbers [2, 4, 8, 3, 44, 848] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #numbermania

### Operating Room

Two little kids are in a hospital, lying on stretchers next to each other outside the operating room.
The first kid leans over and asks, "What are you in here for?"
The second kid says, "I'm in here to get my tonsils out and I'm a little nervous."
The first kid says, "You've got nothing to worry about. I had that done when I was four. They put you to sleep, and when you wake up they give you lots of Jell-O and ice cream. It's a breeze."
The second kid then asks, "What are you here for?"
The first kid says, "A circumcision."
"Whoa!" the second kid replies. "Good luck, buddy. I had that done when I was born. Couldn't walk for a year."

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## Brain Teasers

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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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