Replace the question mark with a number
[3215] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 451 - The first user who solved this task is Sanja Šabović
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 451
The first user who solved this task is Sanja Šabović.
#brainteasers #math #riddles
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Sibling lessons

Charlie was playing with his little brother Mickey when the little boy asked whether he could fly like Superman.

"Sure you can, Mickey," Charlie said, "Just flap your arms really *really* hard."

So Mickey climbed up on the windowsill, started flapping like mad, jumped, then smashed into the ground two stories below.

Horrified, their mother came screaming into the room and said, "What the heck happened?!?"

Charlie said, "I was just teaching Mickey not to believe everything someone tells him."

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Addressograph

In 1896, the first U.S. patent for an addressing machine, the Addressograph (No. 558,936) was issued to J.S. Duncan of Sioux City, Iowa developed from the invention he made in 1892. His earlier model consisted of a hexagonal wood block upon which was glued rubber type torn from rubber stamps. While revolving, the block simultaneously inked the next name and address ready for the next impression. The "Baby O" model was put into production 26 Jul 1893 in a small back room of the old Caxton Building in Chicago, Ill.
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