BRAIN TEASERS
The Most Difficult Tasks

The Most Difficult Tasks

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (17, 19, 20, 22, 24, 25, 27, 33, 36, 41) 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If c14cb - b9962 = 1a2a find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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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: 0
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#brainteasers #mastermind

This Guy’s Got His Panhandling Strategy Sorted

Jose and Carlos are panhandlers that panhandle in different areas of town.
Carlos panhandles just as long as Jose but only collects $2-3 every day.
Jose brings home a suitcase FULL of $10 bills every day, drives a Mercedes, lives in a mortgage-free house and has a lot of money to spend.
One day, Carlos asked Jose: “I work just as long and hard as you do, but how do you bring home a suitcase full of $10 bills every day?”
“Look at your sign, what does it say?” replies Jose.
Carlos’ sign reads: “I have no work, a wife and six kids to support.”
Jose says: “no wonder you only get $2-3.”
‘Carlos says: “So what does your sign say then?”
Jose shows Carlos his sign – it reads: “I only need another $10 to move back to Mexico”

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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: 0
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 531

NUMBERMANIA: Calculate the number 531 using numbers [2, 2, 6, 3, 50, 139] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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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 (15, 16, 20, 21, 23, 28, 61, 62, 64, 69, 97) 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: 0
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#brainteasers #math #magicsquare
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Find number abc

If 962ac + 82bbc = ca8ac2 find number abc. Multiple solutions may exist.
Correct answers: 0
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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: 0
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#brainteasers #mastermind
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Calculate the number 408

NUMBERMANIA: Calculate the number 408 using numbers [8, 4, 8, 8, 81, 864] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 0
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#brainteasers #math #numbermania
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Find number abc

If bab7b - caca1 = 505c7 find number abc. Multiple solutions may exist.
Correct answers: 0
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#brainteasers #math
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Sir Roderick Impey Murchison

Born 19 Feb 1792; died 22 Oct 1871 at age 79. Scottish geologist who first differentiated the Silurian strata in the geologic sequence of Early Paleozoic strata (408-540 million years old). He believed in fossils as primary criteria. In 1831, Murchison began researching the previously geologically unknown graywacke rocks of the Lower Paleozoic, found underlying the Old Red Sandstone in parts of Wales, which culminated in his major work The Silurian System (1839). He named the Silurian after an ancient British tribe that inhabited South Wales. He established the Devonian working with Adam Sedgwick (1839). Another worldwide geological system, the Permian (1841), the uppermost of the Paleozoic, he named after the Perm province in Russia where he made a geological survey in 1840-45.«
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