BRAIN TEASERS
Brain Teasers (page 721)

Brain Teasers (page 721)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 7201 to 7210.
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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 James Lillard.
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#brainteasers #mastermind
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Find number abc

If ab5ca + 66609 = 8aab0 find number abc. Multiple solutions may exist.
Correct answers: 74
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (3, 6, 8, 17, 19, 29, 31, 40, 41, 43, 52, 54, 93) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B+C.
Correct answers: 30
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #magicsquare

Cartoon skunks

Did you hear about the plague of cartoon skunks?
It’s a Pepidemic!

Jokes of the day - Daily updated jokes. New jokes every day.
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Calculate the number 266

NUMBERMANIA: Calculate the number 266 using numbers [6, 6, 5, 2, 52, 132] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 37
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #numbermania
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What has four legs and a back,...

What has four legs and a back, but can't walk?
Correct answers: 126
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #riddles
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Find number abc

If c4bb2 + 4cbc4 = 1aa1a6 find number abc.
Correct answers: 67
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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PALINDROME (1446908864)

Make the palindrome of the following letters: A, A, A, A, A, A, B, B, C, C, E, E, I, I, N, N, S, S, T, T, V, V
Correct answers: 31
The first user who solved this task is Sanja Šabović.
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#brainteasers #wordpuzzles #palindrome
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Find number abc

If c1c10 + 633a4 = b45b4 find number abc.
Correct answers: 76
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Who is the mysterious...

Who is the mysterious person in the picture?
Correct answers: 32
The first user who solved this task is Sanja Šabović.
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#brainteasers #riddles
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What has wings, can fly but is...

What has wings, can fly but is not living?
Correct answers: 93
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #riddles
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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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Michael Idvorsky Pupin

Born 4 Oct 1858; died 12 Mar 1935 at age 76. Serbian-American physicist who devised a means of greatly extending the range of long-distance telephone communication by placing loading coils (of wire) at predetermined intervals along the transmitting wire. His parents were illiterate, but they encouraged his education. Pupin became an instructor in mathematical physics (1890) at Columbia University, New York City. In 1986, he discovered that atoms struck by X rays emit secondary X-ray radiation. He also invented a means for taking short-exposure X-ray photographs. The Bell Telephone Company, in 1901, acquired the patent for his invention for long-distance telephony. Pupin won a Pulitzer Prize (1924) for his autobiographical work, From Immigrant to Inventor (1923).
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