Replace the question mark with a number
[4050] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 197 - The first user who solved this task is Thinh Ddh
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 197
The first user who solved this task is Thinh Ddh.
#brainteasers #math #riddles
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Finally, the good-natured boss...

Finally, the good-natured boss was compelled to call Smith into his office.

"It has not escaped my attention," he pointed out, "that every time there's a home game at the stadium, you have to take your aunt to the doctor."

"You know you're right, sir," exclaimed Smith, "I didn't realize it. You don't suppose she's faking, do you?"
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Ball point pen

In 1943, Laszlo Biro filed for a British patent (No. 564172) on a practical ball point pen with quick-drying ink. Biro was a journalist, in 1938, in Budapest (also sculptor and hypnotist) when he took out a Hungarian patent for his first design of the pen. In 1940, he escaped the Nazis by going via Paris to Buenos Aires, Argentina. There a British entrpreneur, Henry Martin, saw Biro’s pen and realized its value for air crews making high altitude navigational calculations. It could write blot-free, unaffected by low or changing atmospheric pressure. Martin bought the rights and began small scale production of ballpoint pens for the RAF. In 1945, the Eterpen Co in Buenos Aires began commercial production.«
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