BRAIN TEASERS
Monthly Archive - May 2015

Monthly Archive - May 2015

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Calculate the number 1042

NUMBERMANIA: Calculate the number 1042 using numbers [1, 2, 9, 2, 59, 974] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 40
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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CINEMANIA: Guess the movie title

Film was made in 1940.
Correct answers: 48
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #movie #film #cinemania
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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: 68
The first user who solved this task is James Lillard.
CHECK ANSWER
#brainteasers #mastermind

A woman goes to Spain to atten...

A woman goes to Spain to attend a 2-week, company training session. Her husband drives her to the airport and wishes her to have a good trip.
The wife answers: "Thank you honey, what would you like me to bring for you?"
The husband laughs and says: "A Spanish girl!"
The woman kept quiet and left.
Two weeks later he picks her up in the airport and asks:
"So, honey, how was the trip?"
"Very good, thank you."
"And, what happened to my present?"
"Which present?" She asked.
"The one I asked for - a Spanish girl!!"
"Oh, that," she said "Well, I did what I could; now we'll have to wait for a few months to see if it is a boy or a girl!"
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Calculate the number 5936

NUMBERMANIA: Calculate the number 5936 using numbers [1, 6, 7, 5, 46, 914] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 22
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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CINEMANIA: Guess the movie title

Film was made in 1940.
Correct answers: 65
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #movie #film #cinemania
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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: 57
The first user who solved this task is James Lillard.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1999

NUMBERMANIA: Calculate the number 1999 using numbers [3, 5, 6, 3, 27, 224] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 29
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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CINEMANIA: Guess the movie title

Film was made in 1967.
Correct answers: 51
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #movie #film #cinemania
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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: 57
The first user who solved this task is James Lillard.
CHECK ANSWER
#brainteasers #mastermind
[link]

Calculate the number 455

NUMBERMANIA: Calculate the number 455 using numbers [1, 3, 7, 1, 49, 116] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 27
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #numbermania
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George David Birkhoff

Died 12 Nov 1944 at age 60 (born 21 Mar 1884).American mathematician,foremostof the early 20th century, who formulated the ergodic theorem. As the first American dynamicist, Birkhoff picked up where Poincaré left off, gaining distinction in 1913 with his proof of Poincaré's Last Geometric Theorem, a special case of the 3-body problem. Although primarily a geometer, he discovered new symbolic methods. He saw beyond the theory of oscillations, created a rigorous theory of ergodic behavior, and foresaw dynamical models for chaos. His ergodic theorem transformed the Maxwell- Boltzmann ergodic hypothesis of the kinetic theory of gases (to which exceptions are known) into a rigorous principle through use of the Lebesgue measure theory. He also produced a mathematical model of gravity.
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