Replace the question mark with a number
[3030] Replace the question mark with a number - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 228 - The first user who solved this task is Maryam Pouya
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Replace the question mark with a number

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 228
The first user who solved this task is Maryam Pouya.
#brainteasers #math #riddles
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Tour Bus Driver

A tour bus driver is driving with a bus full of old aged pensioners when he is tapped on his shoulder by a little old lady.
She offers him a handful of peanuts, which he gratefully munches up.
After about 15 minutes, she taps him on the shoulder again and she hands the driver another handful of peanuts.
When she is about to hand him another batch again, he asks her "Why don't you eat the peanuts?"
"We can't chew them because we have no teeth", she replied.
"We just love the chocolate around them."

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Watermark patent

In 1819, a triple paper was patented in Britain by Sir William Congreve that could incorporate a colored watermark, visible when the paper was held up to the light, to make currency harder to counterfeit. His invention was to overlay a very thin couched sheet of white paper on each side of a layer of colored pulp containing a design, which would then be pressed together and dried. He made a proposal to the Commission of the Bank of England on 30 Oct 1818, but his process was not adopted due to resistance from the Portals firm which had manufactured the Bank of England's currency paper since 1725. Congreve is best known for his invention of military rockets, first used militarily, against the French, on 8 Oct 1806.«
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