BRAIN TEASERS
The Most Difficult Tasks (page 479)

The Most Difficult Tasks (page 479)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 4781 to 4790.
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Find number abc

If ca0aa - b8b70 = 486a find number abc. Multiple solutions may exist.
Correct answers: 35
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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Find number abc

If 96510 - ab976 = 5c5ca find number abc. Multiple solutions may exist.
Correct answers: 35
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math
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Find number abc

If 8b788 + cb84c = 11aba0 find number abc. Multiple solutions may exist.
Correct answers: 35
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #math

Skydiving

The skydiving instructor was going through the question and answer period with his new students when one of them asked the usual question always asked: "If our chute doesn't open; and the reserve doesn't open, how long would we have till we hit the ground?"

The jump master looked at him and in perfect deadpan answered: "The rest of your life."

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Find number abc

If 72b27 - ac9b5 = aabc2 find number abc. Multiple solutions may exist.
Correct answers: 35
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math
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Remove 7 letters from this seq...

Remove 7 letters from this sequence (AFKTZTQEROEWARDSA) to reveal a familiar English word.
Correct answers: 35
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #wordpuzzles
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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: 35
The first user who solved this task is Mita Kojd.
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#brainteasers #mastermind
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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: 35
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #mastermind
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Guess the Band Name

Which musician band has an album with a cover as in the picture?
Correct answers: 35
The first user who solved this task is Maryam Pouya.
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#brainteasers #music #riddles
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What number comes next?

Look at the series (1, -6, -9, 0, 45, 198, ?), determine the pattern, and find the value of the next number!
Correct answers: 35
The first user who solved this task is Alfa Omega.
CHECK ANSWER
#brainteasers #math #riddles
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Remove 7 letters from this seq...

Remove 7 letters from this sequence (DJFWBISADVANTOAROGED) to reveal a familiar English word.
Correct answers: 35
The first user who solved this task is Djordje Timotijevic.
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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Aero-engine

In 1880, Colonel Beaumont's air-engine for propelling railway carriages was successfully tried at Woowich (a little steam is used). His system largely employed in various ways by Paris Compressed Air company was described to the British Association at Newcastle-upon-Tyne (Sep 1889).[* p.30]
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