BRAIN TEASERS
Brain Teasers (page 431)

Brain Teasers (page 431)

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 4301 to 4310.
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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 Djordje Timotijevic.
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#brainteasers #mastermind
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Forward I mean something pas...

Forward I mean something past, backward I am now. What am I?
Correct answers: 34
The first user who solved this task is Rutu Raj.
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#brainteasers #riddles
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Take a look at the picture of ...

Take a look at the picture of the movie scene and guess the name of the person whose face is not visible. Length of words in solution: 5,4
Correct answers: 20
The first user who solved this task is Manguexa Wagle.
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#brainteasers #movie #film #cinemania

April Fool's Day - Suggestion

Stick googly eyes on the food in your refrigerator.
Jokes of the day - Daily updated jokes. New jokes every day.
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Chess Knight Move

Find the country and its capital city, using the move of a chess knight. First letter is A. Length of words in solution: 7,3,7,5,5.
Correct answers: 26
The first user who solved this task is Manguexa Wagle.
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#brainteasers #wordpuzzles #chessknightmove
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Calculate the number 685

NUMBERMANIA: Calculate the number 685 using numbers [6, 1, 4, 4, 63, 175] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 23
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania
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Guess the Band Name

Which musician band has an album with a cover as in the picture?
Correct answers: 23
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #music #riddles
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A 3-letter word has been tak...

A 3-letter word has been taken out of each of the following words. Can you figure it out?
Correct answers: 48
The first user who solved this task is Fazil Hashim.
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#brainteasers #wordpuzzles #riddles
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When I am filled I can point...

When I am filled I can point the way. When I am empty, nothing moves me. I have two skins - One without and one within. What am I?
Correct answers: 29
The first user who solved this task is Fazil Hashim.
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#brainteasers #riddles
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Remove 4 letters from this seq...

Remove 4 letters from this sequence (AETHREIISTE) to reveal a familiar English word.
Correct answers: 36
The first user who solved this task is Manguexa Wagle.
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#brainteasers #wordpuzzles
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MAGIC SQUARE: Calculate A*B+C

The aim is to place the some numbers from the list (20, 21, 22, 23, 24, 25, 47, 48, 49, 85, 91, 94) 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: 23
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math #magicsquare
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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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Lewis Fry Richardson

Died 30 Sep 1953 at age 71 (born 11 Oct 1881). British physicist and psychologist who first applied mathematics to accurate weather prediction. Richardson applied the mathematical method of finite differences to predicting the weather (1922). In his life, he held various posts: at the National Physical Laboratory, the Meteorological Office, and several university posts in physics or technology. Also, he was a chemist with National Peat Industries and in charge of the physical and chemical laboratory of the Sunbeam Lamp Co. Early application of mathematical techniques for systematically forecasting the weather were limited by extensive computation time: three months to predict weather for the next 24 hours. With electronic computers available after WW II made his methods became practical. He wrote several books applying mathematics to the causes of war. He contributed to calculus and the theory of diffusion for eddy-diffusion in the atmosphere. The Richardson number, a quantity involving gradients (change over distance) of temperature and wind velocity, is named after him.
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