MATH PUZZLE: Can you replace...
[3586] MATH PUZZLE: Can you replace... - MATH PUZZLE: Can you replace the question mark with a number? - #brainteasers #math #riddles - Correct Answers: 158 - The first user who solved this task is Allen Wager
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 158
The first user who solved this task is Allen Wager.
#brainteasers #math #riddles
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April Fool’s Day Pranks

1. Take something from someone’s office and leave them a ransom note.
2. Add several odd appointments with alarms set to go off during the day to a co-worker’s Outlook calendar.
3. Add food coloring to milk that comes in a cardboard container.
4. Add food coloring to the windshield washer fluid of someone’s car.
5. Switch around random keys on someone’s keyboard who isn’t a very good typist.
6. Switch the Push and Pull signs on a set of doors.
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Mount Washington Cog Railway

In 1866, a public demonstration was given of the first cog railway in the world to show the first half-mile of track at the base of Mount Washington, the highest peak in the Northeast U.S. The Mount Washington Cog Railway eventually ran to the summit of Mount Washington, N.H. giving views of four states, Canada, and the Atlantic Ocean. Invented by Sylvester Marsh of Littleton, N.H., work began on the railway in May 1866 and finished in July 1869 at a cost of $139,500. In 1869, the Cog Railway was an engineering marvel, a new technology of toothed cog gears, rack rails and tilted boilers. A third toothed rail was laid between the steel rails for the wheels. In the present day, it remains in use, the only cog railway still powered by steam.
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