BRAIN TEASERS
Brain Teasers

Brain Teasers

puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, sport... These are the tasks listed 1 to 10.
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Find number abc

If 44a8b - 3c1c8 = 8b31 find number abc. Multiple solutions may exist.
Correct answers: 0
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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
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Calculate the number 1933

NUMBERMANIA: Calculate the number 1933 using numbers [9, 4, 7, 5, 69, 509] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 6
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania

Stay out of the dorms...

On the first day of college, the Dean addressed the students, pointing out some of the rules.

"The female dormitory will be out-of-bounds for all male students, and the male dormitory to the female students. Anybody caught breaking this rule will be fined $25 the first time."

He continued, "Anybody caught breaking this rule the second time will be fined $50. Being caught a third time will incur a hefty fine of $100. Are there any questions?"

At this point, a male student in the crowd inquired:

"How much for a season pass?"

Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If b53c5 - b4bac = bb85 find number abc. Multiple solutions may exist.
Correct answers: 12
The first user who solved this task is Nasrin 24 T.
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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: 9
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Calculate the number 3046

NUMBERMANIA: Calculate the number 3046 using numbers [2, 8, 1, 2, 48, 986] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
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 (10, 17, 19, 20, 21, 22, 23, 33, 36, 37, 49) 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: 9
The first user who solved this task is NĂ­lton CorrĂȘa de Sousa.
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#brainteasers #math #magicsquare
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Find number abc

If 3674c + a7a40 = 63b8c find number abc. Multiple solutions may exist.
Correct answers: 23
The first user who solved this task is Nasrin 24 T.
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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: 14
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5547

NUMBERMANIA: Calculate the number 5547 using numbers [7, 4, 2, 5, 95, 564] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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Sir Chester Beatty

Died 19 Jan 1968 at age 92 (born 7 Feb 1875).Sir Alfred Chester Beatty was an American-British mining engineer and company director. He perfected a method of extracting copper from low grade ore, and was active in developing the copper deposits of central Africa. Beatty had a keen interest in collecting minerals as a child in the U.S. and which grew into a career as a mining engineer. He moved to England in 1911, continuing his career, and eventually owned copper mines all over the world - in Africa, the U.S. and the Soviet Union. Beatty promoted cancer research, and in 1936 he founded the Chester Beatty Research Institute, London. When he died, he donated his significant art collection to Ireland, now the Chester Beatty Library.«
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