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: 27
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: 57
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: 51
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #riddles #magicsquare

What Will The Neighbors Think?

Jack was living in Arizona during a heat wave when the following took place.
"It's just too hot to wear clothes today," complained Jack as he stepped out of the shower. "Honey, what do you think the neighbors would think if I mowed the lawn like this?"
"Probably that I married you for your money."
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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: 60
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: 39
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#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: 27
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: 29
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: 49
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: 61
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: 70
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #mastermind
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Charles Gerhardt

Died 19 Aug 1856 at age 39 (born 21 Aug 1816). Charles (-Frédéric) Gerhardt was a French chemist who, with Auguste Laurent, developed a classification of organic compounds. Like most chemists he was aware that the dualistic system of Jöns Berzelius was unsatisfactory and tried to create an alternative. He adopted what became known as type theory in which he thought all organic compounds were based on four main types - hydrogen, hydrogen chloride, ammonia, and water. Organic compounds were referred to these types by replacing a hydrogen atom in one of these compounds by a radical (i.e., by a group of atoms). His idea was opposed by his contemporaries and was later abandoned, but it proved important in the subsequent rationalization of structural organic chemistry.
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