BRAIN TEASERS
Monthly Archive - December 2013 (page 3)

Monthly Archive - December 2013 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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Find the area of the shaded figure

Express result to the accuracy of 3 decimal.
Correct answers: 74
The first user who solved this task is Djordje Timotijevic.
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#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: 63
The first user who solved this task is Slobodan Strelac.
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#brainteasers #mastermind
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Calculate the number 4285

NUMBERMANIA: Calculate the number 4285 using numbers [3, 6, 8, 5, 75, 356] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 26
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania

Irritated with everything

Irritated with everything: Have you ever been in one of those moods where you don't really know what's wrong but you feel irritated with everyone and everything?
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Calculate axb

Determine the pattern, and calculate axb.
Correct answers: 38
The first user who solved this task is Sanja Šabović.
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#brainteasers #math
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CINEMANIA: Guess the movie title

A man and his son search for a stolen ******* vital for his job. Film was made in 1948.
Correct answers: 52
The first user who solved this task is Djordje Timotijevic.
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#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: 54
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5006

NUMBERMANIA: Calculate the number 5006 using numbers [4, 9, 6, 5, 31, 486] 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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Word Association: GREEN, SMART, BUSINESS, PLAYING

Word Association: GREEN, SMART, BUSINESS, PLAYING
Correct answers: 78
The first user who solved this task is Eric Newton.
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#brainteasers #wordpuzzles #wordassociations
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Find the area of the shaded figure

Express result to the accuracy of 3 decimal.
Correct answers: 60
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math
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Calculate axbxc

Determine the pattern, and calculate axbxc.
Correct answers: 30
The first user who solved this task is Slobodan Strelac.
CHECK ANSWER
#brainteasers #math
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Thomas Francis Jr.

Born 15 Jul 1900; died 1 Oct 1969 at age 69.American physician, physician, virologist and epidemiologist who was the first in the U.S. to isolate the virus influenza A (1934) and showed that there are other strains, such as influenza B (1940). Francis developed a polyvalent vaccine effective against both strains and conducted research that led to the development of antiserums for the treatment of pneumonia. In 1953, he was asked to design, supervise, and evaluate the field trials of the polio vaccine developed by his former protegé, Jonas Salk. The trials were of unprecedented scope and magnitude, involving about 1.8 million children from across the U.S., Canada, and Finland. On 12 Apr 1955, Francis announced that the Salk vaccine was indeed "safe, effective, and potent."«
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