BRAIN TEASERS
Brain Teasers (page 749)

Brain Teasers (page 749)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 7481 to 7490.
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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: 58
The first user who solved this task is James Lillard.
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#brainteasers #mastermind
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Calculate the number 1290

NUMBERMANIA: Calculate the number 1290 using numbers [6, 4, 5, 2, 79, 991] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 33
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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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: 51
The first user who solved this task is James Lillard.
CHECK ANSWER
#brainteasers #mastermind

Aoccdrnig to a rscheearch at a...

Aoccdrnig to a rscheearch at an Elingsh uinervtisy, it deosn't mttaer inwaht oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht thefrist and lsat ltteer is at the rghit pclae. The rset can be a toatl msesand you can sitll raed it wouthit porbelm. Tihs is bcuseae we do not raedervey lteter by it slef but the wrod as a wlohe.
Preosllnay I tinhk its cmolpete nenosnese......
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Calculate the number 2928

NUMBERMANIA: Calculate the number 2928 using numbers [6, 3, 1, 5, 21, 928] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 30
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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CINEMANIA: Guess the movie title

A young recruit in Vietnam faces a moral crisis when confronted with the horrors of war and the duality of man. Film was made in 1986.
Correct answers: 61
The first user who solved this task is Djordje Timotijevic.
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#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: 44
The first user who solved this task is James Lillard.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 479

NUMBERMANIA: Calculate the number 479 using numbers [5, 2, 8, 8, 89, 295] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 28
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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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: 44
The first user who solved this task is James Lillard.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1035

NUMBERMANIA: Calculate the number 1035 using numbers [6, 4, 8, 2, 45, 808] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 24
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #math #numbermania
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CINEMANIA: Guess the movie title

When soldiers in World War I refuse to continue with an impossible attack, their superior officers decide to make an example of them. Film was made in 1957.
Correct answers: 40
The first user who solved this task is Sanja Šabović.
CHECK ANSWER
#brainteasers #movie #film #cinemania
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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.
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Mole

In 1971, the mole—the amount of substance (matter)—was adopted as a chemical measurement added to the six base quantities of the SI (International System of scientific units). The decision was made by the Conférence Général des Poids et Mesures (CGPM), the principal executive organization under the Treaty of the Meter (which dates back to the Metric Convention on 20 May 1875). IUPAC's participation was led by M.L. McGlashan. The mole is the amount of substance of a system which contains as many elementary entities as there are carbon atoms in 0.012 kg of carbon 12. The elementary entities must be specified, such as atoms, molecules, ions, electrons, other particles, or specified groups of such particles. The agreed symbol for the unit is mol, and the symbol for amount of substance is n.«
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