BRAIN TEASERS
Monthly Archive - July 2019

Monthly Archive - July 2019

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

If b829a + 3cc29 = 994c9 find number abc. Multiple solutions may exist.
Correct answers: 21
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: 21
The first user who solved this task is Nasrin 24 T.
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#brainteasers #mastermind
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Calculate the number 2725

NUMBERMANIA: Calculate the number 2725 using numbers [7, 9, 3, 5, 18, 312] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Fazil Hashim.
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#brainteasers #math #numbermania

Icing

A young man was visiting his brother and sister-in-law for the holidays. As he arrived at their house he found his young nephew, Timmy, helping them bake some cupcakes.

After they were done, his sister-in-law allowed Timmy to put the icing on. When the boy had finished, he brought them to the table.

"The cupcakes look delicious, Tim." his uncle said. He took a bite and said, "Timmy these are so good."

As he finished cupcake and took another, he again complimented his little nephew. "The cupcakes look beautiful, Tim," his uncle said. "How did you get the icing so neat?"

His nephew replied, "It was easy. I just licked them."

The uncle turned pale. He pointed to the plate of cupcakes. "You licked all of these?"

Timmie replied, "Well no. After a while my tongue got tired, and I got the dog to help."

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Find number abc

If c79c3 - baabb = 9bbc find number abc. Multiple solutions may exist.
Correct answers: 26
The first user who solved this task is Nílton Corrêa de Sousa.
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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: 26
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 695

NUMBERMANIA: Calculate the number 695 using numbers [1, 7, 7, 3, 45, 647] 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 (10, 12, 13, 14, 15, 17, 32, 33, 35, 37, 74, 92) 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 Nasrin 24 T.
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#brainteasers #math #magicsquare
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Find number abc

If c7aac + 913a3 = 1b8cb8 find number abc. Multiple solutions may exist.
Correct answers: 29
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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: 24
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 3112

NUMBERMANIA: Calculate the number 3112 using numbers [8, 7, 6, 6, 60, 402] 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
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Ivan Petrovich Pavlov

Born 27 Sep 1849; died 27 Feb 1936 at age 86. Russian physiologist, who was awarded the 1904 Nobel Prize in Physiology or Medicine. He pioneered the investigation what he named the “conditioned reflex.” In the experiment which made him famous, he trained a hungry dog to associate the sound of a bell with receiving food. Thereafter, the dog would salivate on hearing the bell alone. This work began as merely a study in digestion, with a series of experiments on dogs to investigate how digestive secretions are regulated. He identified three stimuli that caused dogs to begin to salivate: seeing, smelling, or tasting food. He realized, digestion is partly controlled by sensory stimuli. In 1903, Pavlov published his results on this learned— “conditioned reflex,” (as opposed to an innate reflex, like a reaction to pain). He worked actively in the lab until his death at age 87.«[DSB gives birth date as 27 Sep 1849. EB gives Old Style: 14 Sep 1849 (New Style: 26 Sep 1849).]
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