BRAIN TEASERS
Monthly Archive - April 2017

Monthly Archive - April 2017

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Remove 4 letters from this seq...

Remove 4 letters from this sequence (DEBATTQUESJ) to reveal a familiar English word.
Correct answers: 46
The first user who solved this task is Manguexa Wagle.
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#brainteasers #wordpuzzles
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Find number abc

If 6bab2 - 51164 = 1256c find number abc. Multiple solutions may exist.
Correct answers: 40
The first user who solved this task is Eugenio G. F. de Kereki.
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#brainteasers #math
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Replace asterisk symbols with ...

Replace asterisk symbols with a letters (**YL*R *****) and guess the name of musician. Length of words in solution: 6,5.
Correct answers: 26
The first user who solved this task is Manguexa Wagle.
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#brainteasers #music

Exciting Period

A kindergarten class had a homework assignment to find out about something exciting and relate it to the class the next day. When the time came to present what they'd found, the first little boy walked up to the front of the class made a small white dot on the blackboard and sat back down. Puzzled, the teacher asked him just what it was.
"It's a period,'' said the little boy.
"Well, I can see that,'' she said, ''but what is so exciting about a period?''
''Damned if I know,'' said the little boy, ''but this morning my sister was missing one, Daddy had a heart attack, Mommy fainted, and the man next door shot himself."

Jokes of the day - Daily updated jokes. New jokes every day.
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Find a famous person

Find the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 7,4.
Correct answers: 23
The first user who solved this task is Manguexa Wagle.
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#brainteasers #wordpuzzles
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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 Thinh Ddh.
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#brainteasers #mastermind
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CINEMANIA: Guess the movie title

See negative of movie scene and guess the title. Length of words in solution: 2,3,10
Correct answers: 16
The first user who solved this task is H Tav.
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#brainteasers #movie #film #cinemania
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What hides this stereogram?

Stereogram - 3D Image
ENLARGE IMAGE
#brainteasers #stereogram #3Dimage
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Chess Knight Move

Find the country and its capital city, using the move of a chess knight. First letter is S. Length of words in solution: 3,4,3,8,3,4.
Correct answers: 24
The first user who solved this task is Manguexa Wagle.
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#brainteasers #wordpuzzles #chessknightmove
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Calculate the number 3125

NUMBERMANIA: Calculate the number 3125 using numbers [6, 9, 4, 2, 57, 201] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 16
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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Replace asterisk symbols with ...

Replace asterisk symbols with a letters (GI****** ***D*) and guess the name of musician. Length of words in solution: 8,5.
Correct answers: 16
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #music
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Clinton Joseph Davisson

Born 22 Oct 1881; died 1 Feb 1958 at age 76. American physicist who shared the Nobel Prize for Physics in 1937 (with Englishman George P. Thomson) for discovering that electrons can be diffracted like light waves, thus verifying the thesis of Louis de Broglie that electrons behave both as waves and as particles. Davisson studied the effect of electron bombardment on surfaces, and observed (1925) the angle of reflection could depend on crystal orientation. Following Louis de Broglie's theory of the wave nature of particles, he realized that his results could be due to diffraction of electrons by the pattern of atoms on the crystal surface. Davisson worked with Lester Germer in an experiment in which electrons bouncing off a nickel surface produced wave patterns similar to those formed by light reflected from a diffraction grating, and supporting de Broglie's electron wavelength = (h/p). This discovery has been applied to the study of nuclear, atomic, and molecular structure. Davisson helped develop the electron microscope which uses the wave nature of electrons to view details smaller than the wavelength of visible light.
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