BRAIN TEASERS
Monthly Archive - July 2019

Monthly Archive - July 2019

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Find number abc

If b829a + 3cc29 = 994c9 find number abc. Multiple solutions may exist.
Correct answers: 25
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: 24
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Calculate the number 2725

NUMBERMANIA: Calculate the number 2725 using numbers [7, 9, 3, 5, 18, 312] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Fazil Hashim.
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#brainteasers #math #numbermania

A big city lawyer went duck hu...

A big city lawyer went duck hunting in rural North Wairarapa. He shot and dropped a bird, but it fell into a farmer's field on the other side of a fence. As the lawyer climbed over the fence, an elderly farmer drove up on his tractor and asked him what he was doing.The litigator responded, "I shot a duck and it fell in this field, and now I'm going to retrieve it."
The old farmer replied, "This is my property, and you are not coming over here."
The indignant lawyer said, "I am one of the best trial attorneys in New Zealand and, if you don't let me get that duck, I'll sue you and take everything you own."
The old farmer smiled and said, "Apparently, you don't know how we settle disputes in North Wairarapa. We settle small disagreements like this with the 'Three Kick Rule.'"
The lawyer asked, "What is the 'Three Kick Rule'?"
The Farmer replied, "Well, because the dispute occurs on my land, I get to go first. I kick you three times and then you kick me three times and so on back and forth until someone gives up." The attorney quickly thought about the proposed contest and decided that he could easily take the old codger. He agreed to abide by the local custom.
The old farmer slowly climbed down from the tractor and walked up to the attorney.
His first kick planted the toe of his heavy steel toed work boot into the lawyer's groin and dropped him to his knees!
His second kick to the midriff sent the lawyer's last meal gushing from his mouth.
The lawyer was on all fours when the farmer's third kick to his rear end, sent him face-first into a fresh cow pie.
The lawyer summoned every bit of his will and remaining strength and very slowly managed to get to his feet. Wiping his face with the arm of his jacket, he said, "Okay, you old fart. Now it's my turn."
The old farmer smiled and said, "Nah, I give up. You can have the duck."
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Find number abc

If c79c3 - baabb = 9bbc find number abc. Multiple solutions may exist.
Correct answers: 30
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math
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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: 27
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #mastermind
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Calculate the number 695

NUMBERMANIA: Calculate the number 695 using numbers [1, 7, 7, 3, 45, 647] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 19
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (10, 12, 13, 14, 15, 17, 32, 33, 35, 37, 74, 92) 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: 14
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 c7aac + 913a3 = 1b8cb8 find number abc. Multiple solutions may exist.
Correct answers: 33
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: 28
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 3112

NUMBERMANIA: Calculate the number 3112 using numbers [8, 7, 6, 6, 60, 402] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 13
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Neil Bartlett

Born 15 Sep 1932; died 5 Aug 2008 at age 75.English-American chemist who formed the first compound with a noble gas element, xenon platinofluoride, XePtF6 (23 Mar 1962), a yellow-orange crystalline solid, stable at room temperature by immersing platinum fluoride in xenon gas. For a half-century since Ramsay discovered xenon, it had, with the other elements in its group on the Periodic Table, been known as an inert gas. After Bartlett's discovery, a new field of investigation was opened, and other chemists found further compounds of not only xenon, but the noble gas elements radon and krypton. The heaviest elements of the noble gases, as the least inert, were susceptible to combination with a highly reactive element. Pauling had proposed this in theoretical calculations made thirty years before Bartlett's experimental success.«
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