BRAIN TEASERS
The Most Difficult Tasks (page 527)

The Most Difficult Tasks (page 527)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 5261 to 5270.
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Chess Knight Move

Find the title of novel, using the move of a chess knight. First letter is W. Length of words in solution: 4,5.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles #chessknightmove
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I have one, you have one. If...

I have one, you have one. If you remove the first letter, a bit remains. If you remove the second, bit still remains. After much trying, you might be able to remove the third one also, but it remains. It dies hard! What is it?
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #riddles
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Which is a winning combination of digits?

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: 40
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #mastermind

A Very Minor Sin

A famous professor of surgery died and went to heaven. At the pearly gates he was asked by the gatekeeper, "Have you ever committed a sin you truly regret?""Yes," the professor answered. "When I was a young candidate at the Hospital of Saint Lucas, we played soccer against a team from the Community Hospital, and I scored a goal, which was off-side. But the referee did not see it, and the goal won us the match. I regret that now."
"Well," said the gatekeeper. "That is a very minor sin. You may enter."
"Thank you very much, Saint Peter," the professor answered.
"You're welcome, but I am not Saint Peter," said the gatekeeper. "He is having his lunch break. I am Saint Lucas."
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Find number abc

If ac5a1 + b52c9 = 155b9c find number abc. Multiple solutions may exist.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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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: 40
The first user who solved this task is NĂ­lton CorrĂȘa De Sousa.
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#brainteasers #mastermind
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Find the next number in the ...

Find the next number in the sequence 8573, 3835, 5324, ...
Correct answers: 40
The first user who solved this task is Alfa Omega.
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#brainteasers #math
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Remove 5 letters from this seq...

Remove 5 letters from this sequence (REMMTMEMBAEREBD) to reveal a familiar English word.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles
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Remove 5 letters from this seq...

Remove 5 letters from this sequence (WBACKGFWYROUNDD) to reveal a familiar English word.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles
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Remove 5 letters from this seq...

Remove 5 letters from this sequence (BECAUMSEIIPA) to reveal a familiar English word.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #wordpuzzles
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Find number abc

If c30bb + ccaa7 = 1b9ac9 find number abc. Multiple solutions may exist.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math
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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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Self-winding clock

In 1783, the self-winding clock was patented by Benjamin Hanks.
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