BRAIN TEASERS
Monthly Archive - October 2019

Monthly Archive - October 2019

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (2, 3, 5, 6, 8, 11, 14, 15, 17, 20, 25, 76) 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: 9
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Find number abc

If 6abc3 + a93c9 = caab2 find number abc. Multiple solutions may exist.
Correct answers: 14
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: 62
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind

Where ya from, Sam?

A man lay sprawled across three entire seats in a theater. When the usher came by and noticed this, he whispered to the man, "Sorry, sir, but you're only allowed one seat." The man groaned but didn't budge. The usher became impatient.

"Sir," the usher said, "if you don't get up from there I'm going to have to call the manager."

Again, the man just groaned, which infuriated the usher who turned and marched briskly back up the aisle in search of his manager. In a few moments, both the usher and the manager returned and stood over the man. Together the two of them tried repeatedly to move him, but with no success. Finally, they summoned the police.

The cop surveyed the situation briefly then asked, "All right buddy, what's your name?" "Sam," the man moaned. "Where ya from, Sam?" the cop asked.

And with pain in his voice, Sam replied, "The balcony."

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Calculate the number 714

NUMBERMANIA: Calculate the number 714 using numbers [1, 1, 6, 2, 24, 660] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania
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Find number abc

If aab9a - 2b40c = 393cc find number abc. Multiple solutions may exist.
Correct answers: 23
The first user who solved this task is Nasrin 24 T.
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#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: 19
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5020

NUMBERMANIA: Calculate the number 5020 using numbers [6, 8, 6, 6, 49, 338] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nílton Corrêa de Sousa.
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 (4, 8, 9, 10, 11, 12, 13, 59, 60, 61, 80) 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: 13
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If b0ba2 - c6aa6 = 1c696 find number abc. Multiple solutions may exist.
Correct answers: 19
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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George Francis Fitzgerald

Born 3 Aug 1851; died 21 Feb 1901 at age 49.Irish physicist whose suggestion of a way to produce waves helped lay a foundation for wireless telegraphy. He also first developed a theory, independently discovered by Hendrik Lorentz, that a material object moving through an electromagnetic field would exhibit a contraction of its length in the direction of motion. This is now known as the Lorentz-FitzGerald contraction, which Albert Einstein used in his own special theory of relativity. He also was first to propose the structure of comets as a head made of large stones, but a tail make of such smaller stones (less than 1-cm diam.) that the pressure of light radiation from the sun could deflect them. FitzGerald also studied electrolysis as well as electromagnetic radiation.«
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