BRAIN TEASERS
Monthly Archive - September 2020

Monthly Archive - September 2020

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

If 5c496 - a6aba = a7a94 find number abc. Multiple solutions may exist.
Correct answers: 25
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: 22
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 253

NUMBERMANIA: Calculate the number 253 using numbers [8, 2, 3, 6, 40, 156] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 11
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania

The way to achieve true inner peace

Sir Bedevere:

'Now, why do witches burn?'

Peasant:

'...because they're made of... wood?'

Sir Bedevere:

'Good. So how do you tell whether she is made of wood?'

Peasant 2:

'Build a bridge out of her.'

From Monty Python and the Holy Grail

Picture: Rex Features

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

If c4ab5 + c75b1 = 171cab find number abc. Multiple solutions may exist.
Correct answers: 23
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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Calculate the number 5117

NUMBERMANIA: Calculate the number 5117 using numbers [8, 3, 2, 2, 35, 928] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 7
The first user who solved this task is Nasrin 24 T.
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 (3, 4, 5, 6, 7, 9, 18, 33, 39, 40, 43, 83, 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.
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 a2ab0 - 3a705 = cc1a5 find number abc. Multiple solutions may exist.
Correct answers: 26
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math
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Calculate the number 306

NUMBERMANIA: Calculate the number 306 using numbers [1, 1, 9, 9, 63, 226] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 14
The first user who solved this task is NĂ­lton CorrĂȘa de Sousa.
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#brainteasers #math #numbermania
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Find number abc

If 3bca6 - b3937 = 8c79 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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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: 34
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Edward H. Lowe

Born 10 Jul 1920; died 4 Oct 1995 at age 75.American inventor of Kitty Litter. After Navy duty (1941-45), Lowe joined his father's company in Cassopolis, Mich., selling industrial absorbents, including sawdust and an absorbent clay called Fuller's Earth. In 1947, Lowe suggested the use of the clay instead of ashes for his neighbor's cat's box to avoid sooty paw prints. It worked well and Lowe thought other cat owners would use this new cat-box filler. He filled ten brown bags with clay, wrote the name "Kitty Litter" on them and began selling it through the local pet store. By 1990, his marketing effort had grown into a clay mining and consumer product business, the largest U.S. producer of cat-box filler, now improved, 99% dust free, and sanitized against odor-causing bacteria. He held 67 US and foreign patents.
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