BRAIN TEASERS
The Most Difficult Tasks (page 375)

The Most Difficult Tasks (page 375)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 3741 to 3750.
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Find number abc

If c0181 - ba175 = b7006 find number abc. Multiple solutions may exist.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
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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: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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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: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind

Hypothetically Speaking

A little boy goes up to his father and asks: "Dad, what's the difference between hypothetical and reality?"

The father replies: "Well son, I could give you the book definitions, but I feel it could be best to show you by example. Go upstairs and ask your mother if she'd have sex with the mailman for $500,000."

The boy goes and asks his mother: "Mom, would you have sex with the mailman for $500,000?" The mother replies: "Hell yes I would!"

The little boy returns to his father: "Dad, she said 'Hell yes I would!'"

The father then says: "Okay, now go and ask your older sister if she'd have sex with her principal for $500,000."

The boy asks his sister: "Would you have sex with your principal for $500,000?" The sister replies: "Hell yes I would!"

He returns to his father: "Dad, she said 'Hell yes I would!'"

The father answers: "Okay son, here's the deal: Hypothetically, we're millionaires, but in reality, we're just living with a couple of whores."

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Remove 4 letters from this seq...

Remove 4 letters from this sequence (BLOVNDVEUE) to reveal a familiar English word.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles
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Remove 4 letters from this seq...

Remove 4 letters from this sequence (FAVAOLSKS) to reveal a familiar English word.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles
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Remove 4 letters from this seq...

Remove 4 letters from this sequence (GFISCGBURE) to reveal a familiar English word.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles
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Find number abc

If 54c18 - 18b1c = b5a06 find number abc. Multiple solutions may exist.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Remove 3 letters from this seq...

Remove 3 letters from this sequence (RYEALLEYD) to reveal a familiar English word.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles
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Find number abc

If c3312 - 12bb4 = b07ba find number abc. Multiple solutions may exist.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Find the 8 letters word

Find the 8 letters word. Word may go in all 8 directions.
Correct answers: 27
The first user who solved this task is Nasrin 24 T.
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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Invention of navigation by satellite

In 1957, two Johns Hopkins University Applied Physics Laboratory scientists tracking Sputnik found they could determine its orbit by analyzing the Doppler shift of its radio signals during a single pass. They conjectured that if a satellite's position were known and predictable, then the Doppler shift of its signals could be used to locate a receiver on Earth - thus, one could navigate by satellite. A system called Transit, was developed and from 1964 assisted the security of U.S. nuclear deterrent submarines. From 1967, this evolved into a navigation system for all nations, a forerunner of the present Global Positioning System (GPS). Transit also made key contributions to space science and technology, geodesy and health.*[Image: Transit 1B satellite]
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