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: 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 (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

What Is This?

When the waitress in a New York City restaurant brought him the soup du jour, the Englishman was a bit dismayed. "Good heavens," he said, "what is this?"
"Why, it's bean soup," she replied.
"I don't care what it has been," he sputtered. "What is it now?"
Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If b1a30 + 6c047 = c0a77 find number abc. Multiple solutions may exist.
Correct answers: 28
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: 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: 9
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: 17
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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: 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, 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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Libbie Henrietta Hyman

Died 3 Aug 1969 at age 80 (born 6 Dec 1888). U.S. zoologist who wrote two laboratory manuals and a comprehensive six-volume reference work, The Invertebrates, (1940-67) covering most phyla of its subject. This work, important for its organization, description and classification of invertebrates, is a reference still used today. Hyman continued her laboratory studies throughout her life and published some 145 scientific papers. The sixth volume was her last, completed at the age of seventy-eight, when she was suffering from Parkinson's disease.
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