BRAIN TEASERS
Monthly Archive - October 2021

Monthly Archive - October 2021

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

If bc7aa + cbc5a = 1aa1b6 find number abc. Multiple solutions may exist.
Correct answers: 15
The first user who solved this task is Fazil Hashim.
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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: 12
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Calculate the number 1999

NUMBERMANIA: Calculate the number 1999 using numbers [2, 3, 7, 6, 79, 322] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania

Screwed

A man walks into a bar and sees a good-looking woman sitting on a stool. He walks up to her and says, "Hi there, how’s it going?"
She turns to him, looks deep into his eyes and says, "I’ll screw anybody, any time, anywhere, your place, my place, it doesn’t matter."
He says, "No kidding! I'm a lawyer too. What law firm are you with?"  

Jokes of the day - Daily updated jokes. New jokes every day.
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MAGIC SQUARE: Calculate A-B*C

The aim is to place the some numbers from the list (10, 11, 13, 23, 24, 26, 29, 30, 32, 64, 95) 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 Nasrin 24 T.
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#brainteasers #math #magicsquare
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Find number abc

If 87a57 - b723a = bc718 find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
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: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5159

NUMBERMANIA: Calculate the number 5159 using numbers [7, 4, 6, 6, 67, 433] 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.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If bba48 - b5c57 = cc9c find number abc. Multiple solutions may exist.
Correct answers: 17
The first user who solved this task is Nasrin 24 T.
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: 15
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 5800

NUMBERMANIA: Calculate the number 5800 using numbers [1, 6, 3, 2, 42, 817] 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.
CHECK ANSWER
#brainteasers #math #numbermania
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America Invents Act signed

In 2011, President Obama signed the America Invents Act which made substantial changes to the U.S. patent system. Effective16 Mar 2013, only the “first-to-file” inventor had priority, eliminating claims by others of being the first to invent an invention. “Prior art,” used to exclude patentability, was expanded to include public use, sales including foreign offers for sale, publications and disclosures available to the public anywhere in the world as of date of filing. Previously, for example, when William Kelly asserted he was first to invent his “air-boiling” process to refine steel, he was awarded U.S. patent priority (23 Jun 1857) over Henry Bessemer, even though Bessemer filed first.«
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