BRAIN TEASERS
Monthly Archive - February 2020

Monthly Archive - February 2020

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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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: 28
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 1558

NUMBERMANIA: Calculate the number 1558 using numbers [9, 6, 6, 3, 71, 280] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
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 (5, 8, 11, 18, 21, 24, 31, 67, 70, 73, 84, 95) 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 Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #magicsquare

A very shy guy goes into a bar...

A very shy guy goes into a bar and sees a beautiful woman sitting at thebar. After an hour of gathering up his courage he finally goes over to herand asks, tentatively, "Um, would you mind if I chatted with you for awhile?"
She responds by yelling, at the top of her lungs, "No, I won't sleep withyou tonight!" Everyone in the bar is now staring at them.
Naturally, the guy is hopelessly and completely embarrassed and he slinksback to his table.
After a few minutes, the woman walks over to him and apologizes. Shesmiles at him and says, "I'm sorry if I embarrassed you. You see, I'm agraduate student in psychology and I'm studying how people respond toembarrassing situations."
To which he responds, at the top of his lungs, "What do you mean $200?"
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Find number abc

If b1a30 + 6c047 = c0a77 find number abc. Multiple solutions may exist.
Correct answers: 30
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: 32
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 3508

NUMBERMANIA: Calculate the number 3508 using numbers [4, 3, 1, 9, 54, 605] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If bc17a - 6a575 = 255cb find number abc. Multiple solutions may exist.
Correct answers: 18
The first user who solved this task is Nasrin 24 T.
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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 Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 2815

NUMBERMANIA: Calculate the number 2815 using numbers [1, 4, 4, 1, 27, 203] 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.
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 (5, 8, 10, 13, 16, 18, 37, 40, 43, 45, 67) 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: 10
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #magicsquare
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E. R. Squibb

Died 25 Oct 1900 at age 81 (born 4 Jul 1819).E(dward) R(obinson) Squibb was a U.S. chemist and pharmaceutical manufacturer who improved the purity and reliability of drugs. While a U.S. Navy medical officer, he convinced the Navy to manufacture their own drugs to ensure better quality. In 1851, he set up a laboratory to do this at the Brooklyn Naval Hospital. He distilled ether (for use as an anesthetic) using a still heated by a steam coil, thus eliminating the dangers of an open flame. He published the results of his discoveries instead of patenting them. Between 1852-57 he also made chloroform, bismuth salts, fluid extracts and other preparations. By 1858, he had his own business with 38 products, the start of a drug manufacturing enterprise that by1883 offered 324 products.«
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