BRAIN TEASERS
Monthly Archive - November 2019

Monthly Archive - November 2019

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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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: 26
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 2151

NUMBERMANIA: Calculate the number 2151 using numbers [3, 7, 2, 1, 58, 420] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 14
The first user who solved this task is Fazil Hashim.
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 (13, 14, 22, 30, 31, 39, 72, 73, 81, 86) 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: 12
The first user who solved this task is Fazil Hashim.
CHECK ANSWER
#brainteasers #math #magicsquare

My Wife's Attention

I was struggling to get my wife’s attention?
So I simply sat down and looked comfortable.
That did the trick.

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

If 6c533 - b33a0 = 44153 find number abc. Multiple solutions may exist.
Correct answers: 28
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#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: 23
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 682

NUMBERMANIA: Calculate the number 682 using numbers [8, 2, 2, 4, 25, 300] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 12
The first user who solved this task is Fazil Hashim.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 8ab0c - cb715 = c288a find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Fazil Hashim.
CHECK ANSWER
#brainteasers #math
[link]

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: 23
The first user who solved this task is Fazil Hashim.
CHECK ANSWER
#brainteasers #mastermind
[link]

Calculate the number 208

NUMBERMANIA: Calculate the number 208 using numbers [3, 2, 3, 6, 33, 221] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 17
The first user who solved this task is Nílton Corrêa de Sousa.
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 (6, 10, 15, 25, 29, 31, 34, 35, 38, 40, 49, 69) 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: 11
The first user who solved this task is Fazil Hashim.
CHECK ANSWER
#brainteasers #math #magicsquare
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Teletypesetting

In 1951, the Associated Press started using their new "teletypesetting" service in Charlotte, NC. The news article information was transmitted using a perforated, paper tape. At the receiving end of the circuit, a punch produced a copy of the perforated tape. This tape could then be used by typesetting machines. The first message sent was "Greetings. This is the opening of the first teletypesetter circuit," for they were the first news agency in the U.S. to begin such operation.
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