BRAIN TEASERS
The Most Difficult Tasks (page 724)

The Most Difficult Tasks (page 724)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 7231 to 7240.
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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: 92
The first user who solved this task is On On Lunarbasil.
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#brainteasers #mastermind
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Guess the name of musician

Look carefully caricature and guess the name of musician.
Correct answers: 92
The first user who solved this task is ভাস্কৰ জ্যোতি.
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#brainteasers #music
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No sooner spoken than broken. ...

No sooner spoken than broken. What is it?
Correct answers: 92
The first user who solved this task is On On Lunarbasil.
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#brainteasers #riddles

Mike Birbiglia: Crying Over a Book

I was on the subway the other day, and the guy next to me was crying over a book. He was actually crying. So, I leaned over -- I go, You dont know how to read, either?
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Find the next number...

Find the next number in this series: 1, 8, 81, 1024, ...?
Correct answers: 92
The first user who solved this task is Sanja Šabović.
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#brainteasers #math #riddles
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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: 92
The first user who solved this task is Sanja Šabović.
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#brainteasers #mastermind
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Can you replace the question mark with a number?

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 93
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #riddles
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How many squares you can find?

How many squares you can find?
Correct answers: 93
The first user who solved this task is H Tav.
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#brainteasers #math #riddles
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MATH PUZZLE: Can you replace...

MATH PUZZLE: Can you replace the question mark with a number?
Correct answers: 93
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #riddles
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If you were standing directl...

If you were standing directly on the south pole facing north, which direction would you travel if you took one step backward?
Correct answers: 93
The first user who solved this task is On On Lunarbasil.
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#brainteasers #riddles
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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: 93
The first user who solved this task is Djordje Timotijevic.
CHECK ANSWER
#brainteasers #mastermind
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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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1. H Tav
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6. Alfa Omega
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Black-American patent

In 1834, Henry Blair of Glenross, Maryland, received a U.S. patent on a corn planter (No. X8447). Two years later, on 31 Aug 1836, he was also issued a patent on a cotton seed planter (No. 15). Blair was born in Maryland about 1807 and lived until 1860. He was a successful farmer whose inventions met a need to increase efficiency in farming. His patents were signed with a simple "X" because he had not learned to read or write. Henry Blair was the second African-American to hold a patent. For some time he had been regarded as the first, until it became better known that the first African-American on record to be granted a patent was Thomas Jennings for a "dry-scouring" cleaning process (3 Mar 1821, No. X3306).«[Image top: side view of machine; bottom: detail of section of seed hopper showing cylinder with holes in the periphery that turns with the wheels to drop grains of corn.]
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