BRAIN TEASERS

Daily Brain Teasers for Sunday, 15 September 2019

Daily Brain Teasers for Sunday, 15 September 2019 puzzles, riddles, mathematical problems, word games, mastermind, cinemania, music, stereograms, ...

Find number abc

If 3a131 - c0c6c = 1486b find number abc. Multiple solutions may exist.
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math

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.
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind

Calculate the number 6140

NUMBERMANIA: Calculate the number 6140 using numbers [8, 6, 6, 2, 22, 986] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania

Nuns Discussing Drinks

Arthur was sitting outside his local pub one day, enjoying a quiet pint and generally feeling good about himself, when a nun suddenly appears at his table and starts decrying the evils of drink.
"You should be ashamed of yourself young man! Drinking is a Sin! Alcohol is the blood of the devil!"
Now Arthur gets pretty annoyed about this, and goes on the offensive.
"How do *you* know, Sister?"
"My Mother Superior told me so"
"But have you ever had a drink yourself? How can you be sure that what you are saying is right?"
"Don't be ridiculous - of course I have never taken alcohol myself"
"Then let me buy you a drink - if you still believe afterwards that it is evil I will give up drink for life"
"How could I, a Nun, sit outside this public house drinking?!"
"I'll get the barman to put it in a teacup for you, them no-one will know"
The Nun reluctantly agrees, so Arthur goes inside to the bar.
"Another pint for me, and a triple vodka on the rocks", then he lowers his voice and says to the barman "... and could you put the vodka in a teacup?"
"Oh no! It's not that drunken Nun again is it?"
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MAGIC SQUARE: Calculate A-B-C

The aim is to place the some numbers from the list (16, 17, 22, 24, 25, 30, 54, 55, 60, 69, 79, 88) 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.
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #magicsquare

William Seward Burroughs

Died 15 Sep 1898 at age 43 (born 28 Jan 1855).American inventor who invented the world's first commercially viable recording adding machine and pioneer of its manufacture. He was inspired by his experience in his beginning career as a bank clerk. On 10 Jan 1885 he submitted his first patent (issued 399,116 on 21 Aug 1888) for his mechanical “calculating machine.” Burroughs co-founded the American Arithmometer Co in 1886 to develop and market the machine. The manufacture of the first machines was contracted out, and their durability was unsatisfactory. He continued to refine his design for accuracy and reliability, receiving more patents in 1892, and began selling the much-improved model for $475 each. By 1895, 284 machines had been sold, mostly to banks, and 1500 by 1900. The company later became Burroughs Corporation (1905) and eventually Unisys.«

Find number abc

If 8acc7 + 39678 = b2ab2a find number abc. Multiple solutions may exist.
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math

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.
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind

Calculate the number 1054

NUMBERMANIA: Calculate the number 1054 using numbers [5, 5, 1, 5, 75, 114] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Nílton Corrêa de Sousa.
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#brainteasers #math #numbermania

Find number abc

If 68b10 - c6a78 = 4c1ac find number abc. Multiple solutions may exist.
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math

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.
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind

Calculate the number 905

NUMBERMANIA: Calculate the number 905 using numbers [7, 2, 4, 3, 46, 820] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
The first user who solved this task is Nílton Corrêa de Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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