BRAIN TEASERS
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Brain Teasers

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... 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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Find number abc

If c14cb - b9962 = 1a2a find number abc. Multiple solutions may exist.
Correct answers: 0
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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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Calculate the number 1005

NUMBERMANIA: Calculate the number 1005 using numbers [2, 9, 6, 7, 19, 972] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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#brainteasers #math #numbermania
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Find number abc

If 7a1b7 - c214a = c8a27 find number abc. Multiple solutions may exist.
Correct answers: 1
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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
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
CHECK ANSWER
#brainteasers #mastermind
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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.
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Eugene Eisenmann

Born 19 Feb 1906; died 16 Oct 1981 at age 75.American ornithologist considered an expert on neotropical birds, centered in Panama and extending north into Middle America and south into western South America. At age 51, he retired from the legal profession to pursue his lifelong interest in Middle and South American birds on full-time basis. He was born in Panama, and returned there annually to study the rich birdlife and keep in touch his family. In 1957, he was appointed a Research Associate of the American Museum of Natural History in New York, a position he held until his death. He published only about 30 many papers, but his extensive notes on systematics, behavior, and distribution of Middle American birds remain as an invaluable resource for anyone studying the subject.
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