BRAIN TEASERS
The Most Difficult Tasks (page 335)

The Most Difficult Tasks (page 335)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 3341 to 3350.
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Calculate the number 6930

NUMBERMANIA: Calculate the number 6930 using numbers [5, 2, 4, 1, 65, 763] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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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: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Find number abc

If 57570 - aab6b = 2bc06 find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math

Teachers On Patrol

Teacher: I hope I didn't just see you looking at Harry's paper, Raymond!
Raymond: I hope so too, teacher!

Jokes of the day - Daily updated jokes. New jokes every day.
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Chess Knight Move

Find the title of movie, using the move of a chess knight. First letter is A. Length of words in solution: 3,5,3.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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Remove 4 letters from this seq...

Remove 4 letters from this sequence (EVPIASODELI) to reveal a familiar English word.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles
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Everyone in the world needs ...

Everyone in the world needs it, but they usually give it without taking it. What is it?
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #riddles
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I shave every day, but my be...

I shave every day, but my beard stays the same. What am I?
Correct answers: 24
The first user who solved this task is NĂ­lton CorrĂȘa de Sousa.
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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: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
[link]

Find number abc

If baa40 + 95bcb = bbc86b find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Find number abc

If 6b59c - 169ac = c6670 find number abc. Multiple solutions may exist.
Correct answers: 24
The first user who solved this task is Nasrin 24 T.
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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Neutron measurement

In 1934, Enrico Fermi measured the speed of a neutron.
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