BRAIN TEASERS
The Most Difficult Tasks (page 36)

The Most Difficult Tasks (page 36)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 351 to 360.
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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 408

NUMBERMANIA: Calculate the number 408 using numbers [8, 4, 8, 8, 81, 864] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania
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Find number abc

If bab7b - caca1 = 505c7 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math

A famous sexologist was giving...

A famous sexologist was giving a lecture in front of a big crowd.
"There are 4 kinds of men when it comes to sex. The first kind does it every day. You can usually recognize him by his masculine body and the constant smile on his face. Do we have anyone like this in the audience?"
A man got up from the audience and he fitted the description: Big firm body with a smile on his face.
"Then there is the second kind. They have sex once a week. They also have a generally happy mood, and look pretty good, but of course not as good as the first kind. Is there any one of them here tonight?".
A second man got up, and he too fitted the description.
"The third kind do it once a month. They are chubby and usually grumpy. Anyone of them here?".
The man that raised from his chair looked exactly like the expert claimed.
"And then there is the 4th kind. They do it once a year. They usually have a big belly, but the thing that is most tipical is that they are in a constant state of depression. I know it would be hard for him to admit, but if there is one of those in the audience, please rise".
A fat and short man stood up, but in contrary to the experts prediction, he looked very cheerful.
"You do it only once a year?" the expert asked.
"Yes, only once a year."
"So why are you so happy?" demanded the expert.
"Well", said the man, cheeringly, "Tonight is the night!"
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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 7523

NUMBERMANIA: Calculate the number 7523 using numbers [1, 4, 1, 7, 90, 851] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (21, 22, 23, 26, 27, 28, 32, 42, 43, 44) into the empty squares and squares marked with A, B an C. Sum of each row and column should be equal. All the numbers of the magic square must be different. Find values for A, B, and C. Solution is A*B*C.
Correct answers: 0
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#brainteasers #math #magicsquare
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Find number abc

If ca0ba + 22655 = b3c46 find number abc. Multiple solutions may exist.
Correct answers: 0
CHECK ANSWER
#brainteasers #math
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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 776

NUMBERMANIA: Calculate the number 776 using numbers [6, 1, 9, 2, 93, 131] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If cba33 - bc3ac = c0ba find number abc. Multiple solutions may exist.
Correct answers: 0
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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Prince Louis-Victor de Broglie

Born 15 Aug 1892; died 19 Mar 1987 at age 94. Louis Victor Pierre Raymond duc de Broglie was a French physicist best known for his research on quantum theory and for his discovery of the wave nature of electrons. De Broglie was of the French aristocracy - hence the title “duc”(Prince). In 1923, as part of his Ph.D. thesis, he argued that since light could be seen to behave under some conditions as particles (photoelectric effect) and other times as waves (diffraction), we should consider that matter has the same ambiguity of possessing both particle and wave properties. For this, he was awarded the 1929 Nobel Prize for Physics.
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