MATH PUZZLE: Can you replace...
[4222] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 286 - The first user who solved this task is Thinh Ddh
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 286
The first user who solved this task is Thinh Ddh.
#brainteasers #math #riddles
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Requesting A Three Day Pass

An Israeli soldier who just enlisted asked the Commanding Officer for a 3-day pass.
The CO says "Are you crazy? You just join the Israeli army, and you already want a 3-day pass? You must do something spectacular for that recognition!"
So the soldier comes back a day later in an Arab tank!
The CO was so impressed, he asked "How did you do it?"
"Well, I jumped in a tank, and went toward the border with the Arabs. I approached the border, and saw an Arab tank. I put my white flag up, the Arab tank put his white flag up. I said to the Arab soldier, "Do you want to get a three-day pass? So we exchanged tanks!"
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Iron lung

In 1928, the Iron Lung was used by its first patient, a young girl at the Children's Hospital in Boston. It was an artificial respirator that enabled her to breathe despite being paralyzed by polio. This negative pressure ventilator, invented by a young Harvard doctor, Philip Drinker, was the first widely used device of its kind. From the neck down, the patient's body lay in a sealed galvanized iron box. The 3 x 7 ft, 700-lb apparatus was powered by two household vacuum cleaners. As air was pumped out of the metal box, the patient's lungs drew in air, which was expelled as the air pump cycle next increased pressure, in a cycle to mimic a normal breathing rate.«
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