BRAIN TEASERS
Monthly Archive - February 2019

Monthly Archive - February 2019

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Remove 7 letters from this seq...

Remove 7 letters from this sequence (ACWHOWLENRSITERIOL) to reveal a familiar English word.
Correct answers: 26
The first user who solved this task is Nasrin 24 T.
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#brainteasers #wordpuzzles
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MAGIC SQUARE: Calculate A*B*C

The aim is to place the some numbers from the list (5, 6, 7, 21, 22, 23, 42, 60, 61, 62, 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: 13
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #math #magicsquare
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Find a famous person

Find the first and the last name of a famous person. Text may go in all 8 directions. Length of words in solution: 4,7.
Correct answers: 16
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #wordpuzzles

Three Policemen at the Pearly Gates

Three police officers were standing in line at the Pearly Gates.Saint Peter asked the first officer, “What did you do with your life?”“I was a police officer,” he responded.“What kind of police officer?” Saint Peter asked.“I was a vice officer. I kept drugs off the streets and out of the hands of kids.”“Welcome to heaven. You may end the gates.”He asked the second man what he did as a police officer.“I was a traffic officer,” said the man. “I kept the roads and highways safe.”“Welcome to heaven. You may enter the gates.”He asked the third man what he did as a police officer.“I was a military policeman, sir,” replied the man.“Wonderful! I’ve been waiting for you all day!” replied Saint Peter. “I need to take a break! Watch the gate, will you?”
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Find number abc

If 8193c + 3b663 = 11ac98 find number abc. Multiple solutions may exist.
Correct answers: 38
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Remove 4 letters from this seq...

Remove 4 letters from this sequence (RESNUILTSXO) to reveal a familiar English word.
Correct answers: 30
The first user who solved this task is Nasrin 24 T.
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#brainteasers #wordpuzzles
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Calculate the number 4575

NUMBERMANIA: Calculate the number 4575 using numbers [5, 5, 2, 3, 94, 614] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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Remove 8 letters from this seq...

Remove 8 letters from this sequence (GROOAGNDCHAILDCORENIN) to reveal a familiar English word.
Correct answers: 28
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles
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Find number abc

If c8ac8 + 6626a = a6bb5c find number abc. Multiple solutions may exist.
Correct answers: 26
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Find the 8 letters word

Find the 8 letters word. Word may go in all 8 directions.
Correct answers: 24
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #wordpuzzles
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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 Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Johan Gadolin

Died 15 Aug 1852 at age 92 (born 5 Jun 1760).Finnish chemist who discovered the element yttrium (1794). This was the first of a family of 15 rare earth elements called the lanthanides. He studied in Uppsala, Sweden, and taught chemistry there (1797-1822) and promoted Antoine Lavoisier's discoveries about combustion and his system of chemical nomenclature. In analysing a new black mineral from Ytterby, Sweden, he isolating from it the rare earth mineral, yttria. This was an important step towards identifying the remaining undiscovered elements. Over the next century yttria was found to contain the oxides of nine new rare earth elements. After Gadolin's death, one discovered by Jean Charles Galissard de Marignac and Paul Emile Lecoq de Boisbaudran, was named gadolinium.
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