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.
CHECK ANSWER
#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

Not speaking...

Following an especially angry argument, Mr. and Mrs. Smith went to bed not speaking to each other. Needing to arise early the following morning, Mr. Smith left a note on his wife's bedside table that said "Wake me at six."

An exasperated Mr. Smith awoke at ten the following morning and rolled stiffly out of bed to see a note on his bedside table: "It's six, you bum! Get out of bed!"

Jokes of the day - Daily updated jokes. New jokes every day.
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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
[link]

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 A. Olah

Born 22 May 1927.George Andrew Olah is a Hungarian-American chemist who won the 1994 Nobel Prize for Chemistry for work conducted in the early 1960s that isolated the positively charged, electron-deficient fragments of hydrocarbons known as carbocations (or carbonium ions). Carbocations are elusive intermediate compounds formed when large hydrocarbon molecules are broken into smaller ones, or vice versa. His discovery has opened up a new area of economically important hydrocarbon research into basic reactions of oil refining, plastics and other industrial processes that continues today.
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