BRAIN TEASERS
The Most Difficult Tasks (page 158)

The Most Difficult Tasks (page 158)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1571 to 1580.
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Calculate the number 3462

NUMBERMANIA: Calculate the number 3462 using numbers [9, 4, 8, 5, 58, 668] 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 2487

NUMBERMANIA: Calculate the number 2487 using numbers [7, 2, 5, 3, 38, 152] 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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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (7, 9, 14, 19, 21, 26, 28, 66, 68, 73, 83) 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

A man and his wife were sittin...

A man and his wife were sitting in the living room discussing a “Living Will”
"Just so you know, I never want to live in a vegetative state, dependent on some machine and fluids from a bottle. If that ever happens, just pull the plug."
His wife got up, unplugged the TV and threw out all the beer.
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Calculate the number 5117

NUMBERMANIA: Calculate the number 5117 using numbers [8, 3, 2, 2, 35, 928] 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.
CHECK ANSWER
#brainteasers #math #magicsquare
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Calculate the number 4300

NUMBERMANIA: Calculate the number 4300 using numbers [8, 9, 3, 7, 25, 442] 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 3483

NUMBERMANIA: Calculate the number 3483 using numbers [6, 9, 9, 5, 36, 325] 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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Replace asterisk symbols with ...

Replace asterisk symbols with a letters (*** ***E*S) and guess the name of musician band. Length of words in solution: 3,6.
Correct answers: 7
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #music
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Find number abc

If 647b2 - 62cb1 = 18a1 find number abc. Multiple solutions may exist.
Correct answers: 8
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#brainteasers #math
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Find number abc

If 9c79b - bcaa6 = 404b9 find number abc. Multiple solutions may exist.
Correct answers: 8
CHECK ANSWER
#brainteasers #math
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Oliver Sacks

Born 9 Jul 1933. English neurologist and writer. Many of his books relate case histories of neurologically damaged people. His empathy with those afflicted with strange conditions, including. Tourette's syndrome, amnesia, and autism, has been the hallmark of his writings. In his first book, Migraine: Evolution of a Common Disorder (1970, he began his approach of considering mental and emotional states while stressing links between them and physical afflictions. In the late 1960's in New York, he encountered some 80 people suffering from a “sleeping sickness”(known from its spread around the world about 1916-20). He experimented by giving some of them the drug L-DOPA and obtained seemingly amazing results, an “awakening,”but most soon regressed.
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