Solve This Number Puzzle
[2085] Solve This Number Puzzle - Find the next number in the series 1, 4, 5, 6, 7, 9, 11, ? - #brainteasers #math #riddles - Correct Answers: 83 - The first user who solved this task is Djordje Timotijevic
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Solve This Number Puzzle

Find the next number in the series 1, 4, 5, 6, 7, 9, 11, ?
Correct answers: 83
The first user who solved this task is Djordje Timotijevic.
#brainteasers #math #riddles
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April Fool's Day - Here are 5 pranks you can play on people

1. Conference call two people then don’t say anything, just listen.
2. Place a ‘house for sale’ ad in the newspaper for someone’s home.
3. Paint the tips of someone’s pen and pencil with clear nail polish so none of them work.
4. Hide a small radio in the ceiling tiles above someone’s desk and turn it on very softly.
5. Fill someone’s hair-dryer with baby powder.
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Electric plug

In 1904, the first U.S. patent for a separable electric attachment plug was issued to inventor and manufacturer Harvey Hubbell of Bridgeport, Connecticut (No. 774,250). One part adapted the Edison screw socket to provide its own double-slotted receptable now familiar throughout North America. Into it, a separate double flat-prong plug could be slipped. This solved the problem of twisted wires caused with a screw connection. Small slots reduced the chance of a dangerous shock. Thus, with a two-prong plug on any electric device, “electrical power in buildings may be utilized by persons having no electrical knowledge or skill.” On 11 Aug 1896 he had patented the pull-chain switch light socket (No. 565541). His manufacturing company,Harvey Hubbell Inc.exists today.«
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