BRAIN TEASERS
Brain Teasers (page 215)

Brain Teasers (page 215)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 2141 to 2150.
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Chess Knight Move

Find the title of movie, using the move of a chess knight. First letter is R. Length of words in solution: 7,2,3,4,3.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
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#brainteasers #wordpuzzles #chessknightmove
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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: 27
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Remove 6 letters from this seq...

Remove 6 letters from this sequence (AOPUHRODYIOIJSIAC) to reveal a familiar English word.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
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#brainteasers #wordpuzzles

Friday vs Monday

Friday vs Monday
Jokes of the day - Daily updated jokes. New jokes every day.
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Calculate the number 3483

NUMBERMANIA: Calculate the number 3483 using numbers [6, 9, 9, 5, 36, 325] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Remove 5 letters from this seq...

Remove 5 letters from this sequence (GUBXECASUSNE) to reveal a familiar English word.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
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#brainteasers #wordpuzzles
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Find number abc

If 81c13 - c2426 = 2ba87 find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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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: 19
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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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: 3,6,2,2.
Correct answers: 26
The first user who solved this task is NĂ­lton CorrĂȘa de Sousa.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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Calculate the number 334

NUMBERMANIA: Calculate the number 334 using numbers [5, 1, 1, 6, 66, 410] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 15
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Remove 3 letters from this seq...

Remove 3 letters from this sequence (DISAHINGUF) 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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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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Svedberg's colloidal sol patent

In 1909, Swedish chemist Theodor Svedberg filed to patent his method of producing colloidal sols or gels, simultaneously in Great Britain, Germany, Denmark and Switzerland. By 1926, he received the Nobel Prize in Chemistry for his work with disperse systems. In colloidal systems, extremely fine particles are dispersed in a continuous medium, in which they remain suspended indefinitely. In molecular-disperse systems, the particles are large molecules like proteins or haemoglobin. Svedberg invented an ultracentrifuge to investigate them. At 40,000 revolutions/min, the particles were redistributed towards the periphery of the motion. Analysis of photographs of the distribution yielded the molecular weight of the particles.«
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