BRAIN TEASERS
Monthly Archive - July 2022

Monthly Archive - July 2022

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Find number abc

If b49a9 - c613b = bcc1 find number abc. Multiple solutions may exist.
Correct answers: 4
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#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: 6
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 8731

NUMBERMANIA: Calculate the number 8731 using numbers [3, 7, 6, 1, 79, 892] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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#brainteasers #math #numbermania

Late one night, a mugger weari...

Late one night, a mugger wearing a ski mask jumped into the path of a well-dressed man and stuck a gun in his ribs. "Give me your money," he demanded.
Indignant, the affluent man replied, "You can't do this - I'm a United States Congressman!"
"In that case," replied the mugger, "give me MY money!"
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MAGIC SQUARE: Calculate A+B+C

The aim is to place the some numbers from the list (6, 7, 8, 9, 15, 16, 17, 20, 43, 44, 45, 90) 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: 2
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#brainteasers #math #magicsquare
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Find number abc

If 7283b + a988a = bc27b7 find number abc. Multiple solutions may exist.
Correct answers: 2
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#brainteasers #math
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Find number abc

If bc699 - 5aa20 = 2b5b9 find number abc. Multiple solutions may exist.
Correct answers: 1
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#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: 13
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 819

NUMBERMANIA: Calculate the number 819 using numbers [8, 5, 2, 8, 40, 649] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 473c4 + a49a4 = bb23b8 find number abc. Multiple solutions may exist.
Correct answers: 11
CHECK ANSWER
#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: 7
CHECK ANSWER
#brainteasers #mastermind
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Henri Cartan

Born 8 Jul 1904.Henri-Paul Cartan is a French mathematician whose father, Elie Cartan, was also a mathematician. Henri made fundamental advances in the theory of analytic functions, worked on the theory of sheaves, homological theory, algebraic topology and potential theory. Along with others, such as Weil and Dieudonné, Henri Cartan wrote under the name Bourbaki. Bourbaki's Eléments de mathématique contains more than 30 volumes and aims to present mathematics so as to illustrate the axiomatic structure of modern mathematics.
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