BRAIN TEASERS
The Most Difficult Tasks (page 425)

The Most Difficult Tasks (page 425)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 4241 to 4250.
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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: 30
The first user who solved this task is Manguexa Wagle.
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#brainteasers #mastermind
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Find number abc

If aa11b - 42c2c = 34c8c find number abc. Multiple solutions may exist.
Correct answers: 30
The first user who solved this task is Maja Nikolic.
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#brainteasers #math
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I'm an object; good at drawi...

I'm an object; good at drawing. I draws without using any drawing instrument, yet I can draw even better and faster than the world's best artist. But what I will draw won't stay permanent and what I draws may see me or not. What am I?
Correct answers: 30
The first user who solved this task is Rutu Raj.
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#brainteasers #riddles

We don't stop at Victoria....

A man traveling by train asks the ticket collector what time the train stops at Victoria.

"Sir, we don't stop at Victoria."

"But I have to get off there!"

"Well, there might be one thing I can do. I might be able to get the engineer to slow down the train a little. Then I can dangle you out the door and lower you onto the platform."

"Will that work?"

"It's worth a try."

As they approached the platform, the train is slowing from 50 MPH. The collector hangs the man in mid-air out the door. The man starts running in mid-air. "Run faster! Faster!" He lowers the man and the man's feet touch the platform. His shoes start to smoke! His heel comes off! He's running at 30 MPH. He's made it! He starts to slow down! The other passengers stare in amazement.

As the last car goes by, a hand grabs the man by the shirt collar and lifts the man right back into the train! As he's helped back on the train the gent who picked him up says, "Man you're lucky I was here to help! This train doesn't even STOP in Victoria!"

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Calculate the number 271

NUMBERMANIA: Calculate the number 271 using numbers [4, 9, 6, 2, 59, 319] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 30
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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What kills you inside the mo...

What kills you inside the more you keep it and sets you free the moment you release it?
Correct answers: 30
The first user who solved this task is Manguexa Wagle.
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#brainteasers #riddles
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Find number abc

If 8cb4c + abb8c = c2cb22 find number abc. Multiple solutions may exist.
Correct answers: 30
The first user who solved this task is Manguexa Wagle.
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#brainteasers #math
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Chess Knight Move

Find the country and its capital city, using the move of a chess knight. First letter is T. Length of words in solution: 8,6.
Correct answers: 30
The first user who solved this task is Thinh Ddh.
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#brainteasers #wordpuzzles #chessknightmove
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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: 6,6.
Correct answers: 30
The first user who solved this task is H Tav.
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#brainteasers #wordpuzzles
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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: 9,4.
Correct answers: 30
The first user who solved this task is Manguexa Wagle.
CHECK ANSWER
#brainteasers #wordpuzzles
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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: 6,8.
Correct answers: 30
The first user who solved this task is Thinh Ddh.
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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Prions

In 1997, American biology professor Stanley B. Prusiner won the Nobel Prize for medicine for discovering “prions,” described as “an entirely new genre of disease-causing agents.” The name means “proteinaceous infectious particle.” Prions cause brain diseases such as BSE (Bovine Spongiform Encephalopathy or “mad cow disease”); the human variant Creutzfeldt–Jakob disease; kuru among some peoples in New Guinea; and scrapie in sheep and goats. Prions are too small to be seen with normal microscopy. They are self-replicating, but contain no nucleic acid. Prions are highly resistant to destruction or denaturation by common chemical and physical agents such as disinfectants, formalin, heat, UV or ionizing radiation. Inceration of infected tissues requires a temperature never below 900ºF for four hours.«
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