BRAIN TEASERS
Monthly Archive - March 2020 (page 3)

Monthly Archive - March 2020 (page 3)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 21 to 30.
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Find number abc

If 78bcb + 68074 = 146ab6 find number abc. Multiple solutions may exist.
Correct answers: 29
The first user who solved this task is Nílton Corrêa de Sousa.
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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: 28
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 6679

NUMBERMANIA: Calculate the number 6679 using numbers [9, 1, 7, 1, 36, 665] 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.
CHECK ANSWER
#brainteasers #math #numbermania

A man goes into a seafood rest...

A man goes into a seafood restaurant and sees a sign that reads: "Big Red Lobster Tails - $1."
Amazed at the value of the offer, he calls a waitress over. "Excuse me," he said. "Is that sign correct?"
"Yes sir," she replied. "It's today's special offer."
"Fantastic," said the man. "But are you sure they're not small?"
"Oh no sir, I can assure you that they are very big."
"Are they out of date then?"
"No, no sir, they are fresh in this morning."
"Well in that case, here's my $1. Fill me up."

The waitress took the $1 coin, sat down beside him and said, "Once upon a time, there was a big red lobster..."
Jokes of the day - Daily updated jokes. New jokes every day.
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Find number abc

If c86cb + 8bb70 = a3c2ab find number abc. Multiple solutions may exist.
Correct answers: 20
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: 35
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 7037

NUMBERMANIA: Calculate the number 7037 using numbers [4, 9, 1, 8, 57, 793] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
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 (7, 10, 11, 12, 14, 15, 34, 38, 39, 94) 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 Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 84acc + abb2a = c78240 find number abc. Multiple solutions may exist.
Correct answers: 22
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: 32
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 7263

NUMBERMANIA: Calculate the number 7263 using numbers [5, 7, 4, 2, 80, 790] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Fazil Hashim.
CHECK ANSWER
#brainteasers #math #numbermania
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DNA

In 1952, Alfred Hershey and Martha Chase published a report confirming DNA holds hereditary data. Their experiment used the T2 bacteriophage, which, like other viruses, is just a crystal of DNA and protein. It can reproduce when inside a bacterium such as E. coli. When the new T2 viruses are ready to leave the host E. coli cell (and go infect others), they burst the E. coli cell open, killing it (hence the name "bacteriophage"). Hershey and Chase were seeking an answer to the question, "Is it the viral DNA or viral protein coat (capsid) that is the viral genetic code material which gets injected into the E. coli?" Their results indicated that the viral DNA, not the protein, is its genetic code material.
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