BRAIN TEASERS
The Most Difficult Tasks (page 2)

The Most Difficult Tasks (page 2)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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Calculate the number 6159

NUMBERMANIA: Calculate the number 6159 using numbers [5, 1, 2, 9, 49, 817] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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Calculate the number 958

NUMBERMANIA: Calculate the number 958 using numbers [3, 5, 4, 8, 25, 109] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 5187

NUMBERMANIA: Calculate the number 5187 using numbers [8, 4, 2, 5, 73, 402] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania

There was this Asian lady marr...

There was this Asian lady married to an English gentleman and they lived in London. The poor lady was not very proficient in English, but managed to communicate with her husband. The real problem arose whenever she had to shop for groceries.
One day, she went to the butcher and wanted to buy pork legs. She didn't know how to put forward her request, and in esperation, lifted up her skirt to show her thighs. The butcher got the message and the lady went home with pork legs.
The next day, she needed to get chicken breasts. Again, she didn't know how to say, and so she unbuttoned her blouse to show the butcher her breast.
The lady got what she wanted.
The 3rd day, the poor lady needed to buy sausages. Unable to find a way to communicate this, she brought her husband to the store...
What were you thinking? Hellooo, her husband speaks English!!
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Calculate the number 5431

NUMBERMANIA: Calculate the number 5431 using numbers [2, 5, 4, 4, 82, 953] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 3216

NUMBERMANIA: Calculate the number 3216 using numbers [3, 5, 2, 4, 16, 982] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 7419

NUMBERMANIA: Calculate the number 7419 using numbers [6, 2, 9, 6, 82, 867] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
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 (18, 20, 22, 24, 26, 29, 31, 36, 40, 45, 59, 89, 93) 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: 7
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare
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Calculate the number 1271

NUMBERMANIA: Calculate the number 1271 using numbers [7, 2, 7, 3, 92, 938] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 7295

NUMBERMANIA: Calculate the number 7295 using numbers [8, 9, 6, 5, 79, 706] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Calculate the number 7037

NUMBERMANIA: Calculate the number 7037 using numbers [4, 9, 1, 8, 57, 793] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Find the ratio of the areas of two squares. Express result to the accuracy of 3 decimal.
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Paul Karrer

Born 21 Apr 1889; died 18 Jun 1971 at age 82.Swiss chemist who investigated the constitution of carotenoids, flavins, and vitamins A and B2, for which he shared the 1937 Nobel Prize for Chemistry (with Sir Norman Haworth of Great Britain). He studied plant pigments, particularly the yellow carotenoids, which are related to the pigment in carrots. He determined the chemical structure of the carotenoids (1930), showed that some of these substances are transformed into vitamin A in the animal body, then determined the structure of vitamin A itself. He also confirmed the constitution of vitamin C proposed by Albert Szent-Györgyi, showed lactoflavin to be part of the complex originally described as vitamin B2 , and studied vitamin E.
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