BRAIN TEASERS
The Most Difficult Tasks (page 528)

The Most Difficult Tasks (page 528)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 5271 to 5280.
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What number comes next?

Look at the series (9, 73, 241, 561, 1081, 1849, ?), determine the pattern, and find the value of the next number!
Correct answers: 40
The first user who solved this task is Fazil Hashim.
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#brainteasers #math #riddles
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Find number abc

If c9c0a - bc081 = 15ba1 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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Remove 6 letters from this seq...

Remove 6 letters from this sequence (LLNIKTIERACPYH) to reveal a familiar English word.
Correct answers: 40
The first user who solved this task is Thinh Ddh.
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#brainteasers #wordpuzzles

Mississippi Blues

How does a hippie polygamist count his wives?
1 Mrs. hippie...
2 Mrs. hippie...
3 Mrs. hippie...

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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
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It has a long neck, A name o...

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive. 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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Remove 4 letters from this seq...

Remove 4 letters from this sequence (STRUCITQURUEA) 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 (ELUQUEIMEANTS) 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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Find number abc

If 6b18b + 60a4b = 1cbb38 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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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 Djordje Timotijevic.
CHECK ANSWER
#brainteasers #mastermind
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Chess Knight Move

Find the country and its capital city, using the move of a chess knight. First letter is M. Length of words in solution: 7,5.
Correct answers: 40
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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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.
Last Correct Answer

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Radio patent

In 1914, a U.S. patent was issued to Edwin H. Armstrong for a “Wireless Receiving System” which described his famous regenerative, or feed-back, circuit (No. 1,113,149). This invention started Armstrong's career of innovation. He went on to become a pioneer in FM radio broadasting.«
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