BRAIN TEASERS
Monthly Archive - April 2014

Monthly Archive - April 2014

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Decrypt divide and determine the value of the number ABCD

Decrypt divide and determine the value of the number ABCD
Correct answers: 31
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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CINEMANIA: Guess the movie title

A group of professional bank robbers start to feel the heat from police when they unknowingly leave a clue at their latest heist. Film was made in 1995.
Correct answers: 60
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #movie #film #cinemania
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What number should replace the X to the magic square?

What number should replace the X to the magic square? Author: Nebojsa Jevtovic
Correct answers: 60
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #riddles #magicsquare

It was Christmas Eve. A woman...

It was Christmas Eve. A woman came home to her husband after a day of busy shopping. Later on that night when she was getting undressed for bed, he noticed a mark on the inside of her leg. "What is that?" he asked. She said, "I visited the tattoo parlor today. On the inside of one leg I had them tattoo 'Merry Christmas,' and on the inside of the other one they tattooed 'Happy New Year.'" Perplexed, he asked, "Why did you do that?" "Well," she replied, "now you can't complain that there's never anything to eat between Christmas and New Years!"
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Which is a winning combination of digits?

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: 75
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #mastermind
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Decrypt multiplication and determine the value of the number ABA

Decrypt multiplication and determine the value of the number ABA
Correct answers: 50
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Calculate the number 4460

NUMBERMANIA: Calculate the number 4460 using numbers [1, 1, 4, 7, 63, 804] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 33
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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Decrypt multiplication and determine the value of the number ABCD

Decrypt multiplication and determine the value of the number ABCD
Correct answers: 33
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math
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CINEMANIA: Guess the movie title

Because of his insistence that his companion is an invisible six-foot rabbit, a whimsical middle-aged man is thought by his family to be insane - but the man might be wiser than anyone knows. Film was made in 1950.
Correct answers: 56
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #movie #film #cinemania
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GUESS THE NUMBER: When you increase this four-digit number four times you got the same number in reverse order

GUESS THE NUMBER: When you increase this four-digit number four times you got the same number in reverse order
Correct answers: 71
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math
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Find the right 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: 79
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #mastermind
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George Eugene Uhlenbeck

Born 6 Dec 1900; died 31 Oct 1988 at age 87. Dutch-American physicist who, with Samuel A. Goudsmit, proposed the concept of electron spin (Jan 1925) - a fourth quantum number which was a half integer. This provided Wolfgang Pauli's anticipated “fourth quantum number.” In their experiment, a horizontal beam of silver atoms travelling through a vertical magnetic field was deflected in two directions according to the interaction of their spin (either “up” or “down”) with the magnetic field. This was the first demonstration of this quantum effect, and an early confirmation of quantum theory. As well as fundamental work on quantum mechanics, Uhlenbeck worked on atomic structure, the kinetic theory of matter and extended Boltzmann's equation to dense gases.«
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