BRAIN TEASERS
Monthly Archive - September 2013

Monthly Archive - September 2013

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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What number comes next?

Look at the series, determine the pattern, and find the value of the unknown number!
Correct answers: 136
The first user who solved this task is Sanja Šabović.
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#brainteasers #math
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Calculate the number 175

Calculate the number 175 using numbers [4, 4, 6, 5, 20, 100] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 64
The first user who solved this task is Sanja Šabović.
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#brainteasers #math
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Find the area of the orange figure

Express result to the accuracy of 3 decimal.
Correct answers: 71
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math

Ethical Problem

An attorney had just finished a consultation with an elderly, nearly blind widow, for which he charged her $100. The widow opened her purse and removed a $100 bill. When the lawyer accepted it, he noticed there was another 100 stuck to it. Immediately the lawyers keen legal mind realized he was faced with a vital ethical question:

Should he tell his partner?

Jokes of the day - Daily updated jokes. New jokes every day.
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Guess the movie title

Film was made in 1964. A wandering gunfighter plays two rival families against each other in a town torn apart by greed, pride, and revenge.
Correct answers: 79
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: 71
The first user who solved this task is Sanja Šabović.
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#brainteasers #mastermind
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Calculate the number 120

Calculate the number 120 using numbers [4, 3, 9, 3, 15, 75] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 69
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math
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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: 74
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #mastermind
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Guess the movie title

Film was made in 2001. After a brilliant but asocial mathematician accepts secret work in cryptography, his life takes a turn to the nightmarish.
Correct answers: 80
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#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: 72
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #mastermind
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Which number should replace the question mark?

Which number should replace the question mark?
Correct answers: 300
The first user who solved this task is Slobodan Strelac.
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#brainteasers #math #riddles
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Joseph Nicolas Nicollet

Died 11 Sep 1843 at age 57 (born 24 Jul 1786).Joseph Nicolas Nicollet was a French mathematician, explorer, and cartographer with an interest in astronomy. He was born in France, but financially ruined by the 1830 Revolution, he left for the U.S. in 1831. He made a private survey of the Mississippi region (1836-7), the results of which he presented in Washington. In 1838, he led a surveying expedition for the U.S. government party mapping out the lakes and waterways of northcentral Minnesota. He stressed to map publishers the importance of elevation marks on published maps. His maps were considered among the most accurate and useful until the surveyors for the great logging companies arrived in Minnesota's vast pine forests.
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