BRAIN TEASERS
Brain Teasers (page 722)

Brain Teasers (page 722)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 7211 to 7220.
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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: 78
The first user who solved this task is Jasmina Atarac-Pantelic.
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#brainteasers #mastermind
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What do you have to give befor...

What do you have to give before you can keep it?
Correct answers: 69
The first user who solved this task is Sanja Šabović.
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#brainteasers #riddles
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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: 71
The first user who solved this task is Jasmina Atarac-Pantelic.
CHECK ANSWER
#brainteasers #mastermind

April Fool's Day - Suggestions

This one is cuter, I think I would chuckle until I found the carts were all locked together and I didn’t have a quarter….
Jokes of the day - Daily updated jokes. New jokes every day.
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What has rivers but no water, ...

What has rivers but no water, forests but no trees, and cities but no people?
Correct answers: 139
The first user who solved this task is Sanja Šabović.
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#brainteasers #riddles
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Calculate the number 6974

NUMBERMANIA: Calculate the number 6974 using numbers [2, 3, 8, 5, 52, 821] 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.
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#brainteasers #math #numbermania
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Calculate the number 1115

NUMBERMANIA: Calculate the number 1115 using numbers [2, 2, 6, 7, 63, 146] 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.
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#brainteasers #math #numbermania
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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: 69
The first user who solved this task is James Lillard.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 570

NUMBERMANIA: Calculate the number 570 using numbers [8, 1, 9, 3, 15, 446] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 34
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 1995.
Correct answers: 75
The first user who solved this task is Allen Douglas.
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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: 62
The first user who solved this task is James Lillard.
CHECK ANSWER
#brainteasers #mastermind
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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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