BRAIN TEASERS
Monthly Archive - December 2014 (page 3)

Monthly Archive - December 2014 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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Calculate the number 495

NUMBERMANIA: Calculate the number 495 using numbers [6, 1, 8, 2, 41, 536] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 39
The first user who solved this task is Slobodan Strelac.
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#brainteasers #math #numbermania
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CINEMANIA: Guess the movie title

Film was made in 2007.
Correct answers: 38
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #movie #film #cinemania
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What a winning combination?

The computer chose a secret code (sequence of 4 digits from 1 to 6). Your goal is to find that code. Black circles indicate the number of hits on the right spot. White circles indicate the number of hits on the wrong spot.
Correct answers: 65
The first user who solved this task is James Lillard.
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#brainteasers #mastermind

She Told Me To Leave

My wife packed my bags and told me to leave.
As I was headed out the door, she said, "I hope you live a long and lonely life!”
I replied, "So now you want me to stay?"

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First telegraph used in railroading

In 1851, the first time train dispatching by telegraph in the U.S. took place when superintendent Charles Minot, of the Erie Railroad telegraphed 14 miles to Goshen, N.Y., to delay a train so that his train would not have to wait. Within weeks, all Erie trains were controlled by the telegraphed orders of a train dispatcher. Until that time the timetable was the sole authority for moving trains on the line. The “time interval rule” was cumbersome: a train had to wait one hour for an opposing train. If the train still didn't arrive, the brakeman on the waiting train must walk for 20 minutes ahead of his train with a red flag to stop the late train. The engineer of the waiting train would then operate to catch up to the brakeman. The routine was repeated as necessary.
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