BRAIN TEASERS
Monthly Archive - April 2020 (page 3)

Monthly Archive - April 2020 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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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: 39
The first user who solved this task is Nasrin 24 T.
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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: 8
Correct answers: 13
The first user who solved this task is Nasrin 24 T.
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#brainteasers #movie #film #cinemania
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What is hidden in 3D image?

Stereogram - 3D Image
ENLARGE IMAGE
#brainteasers #stereogram #3Dimage

Walking To School

Father:
- "Son, when Abraham Lincoln was your age, he walked 12 miles to school."
Son:
- "Dad, when Abraham Lincoln was your age, he was President."
Jokes of the day - Daily updated jokes. New jokes every day.
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Chess Knight Move

Find the title of movie, using the move of a chess knight. First letter is T. Length of words in solution: 3,9.
Correct answers: 28
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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Calculate the number 5394

NUMBERMANIA: Calculate the number 5394 using numbers [2, 8, 9, 5, 59, 569] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is undefined.
CHECK ANSWER
#brainteasers #math #numbermania
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 140
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #riddles
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Calculate A*B-C-D

Look at the series (5, A, C, 43, 73, 115, 171, D, 333, 443, 575, B, ...), determine the pattern, and find the unknown values (A, B, C and D) and calculate A*B-C-D!
Correct answers: 22
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math
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There are 3 words hidden in ...

There are 3 words hidden in the picture, can you find 1 of 3?
Correct answers: 88
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles #riddles
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Remove 3 letters from this seq...

Remove 3 letters from this sequence (UEBUDYGET) to reveal a familiar English word.
Correct answers: 39
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles
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MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (2, 4, 6, 13, 15, 17, 20, 22, 24, 30, 66) 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: 13
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #magicsquare
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John William Draper

Born 5 May 1811; died 4 Jan 1882 at age 70. English-American chemist who pioneered in photochemistry. He recognized that light initiated chemical reactions as molecules absorbed light energy. The Draper Point is the name given to the point at which all substances glow a dull red (about 525 degrees C.). He described the effect of rise in temperature as the addition of more and more of the visible light region produced a white glow (1847). His interest in spectroscopy and photography was applied to give the first astronomical photograph. Its subject was the moon (1840). He also studied photographs of the solar spectrum to show that contained both infrared and ultraviolet light. His photographs of persons include the oldest surviving photographic portrait (1840), and he was one of the first to produce microphotographs.
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