BRAIN TEASERS
Monthly Archive - February 2022

Monthly Archive - February 2022

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10.
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Calculate the number 2501

NUMBERMANIA: Calculate the number 2501 using numbers [2, 5, 7, 9, 62, 515] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 1
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#brainteasers #math #numbermania
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Find number abc

If 8b6c9 - c5348 = 533a find number abc. Multiple solutions may exist.
Correct answers: 9
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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: 12
CHECK ANSWER
#brainteasers #mastermind

Fish trap

This fisherman goes to the river to check an illegal fish trap that he owns. He looks around to make sure there are no Fishing Inspectors about and proceeds to pull the fish trap out to check it.
An Inspector steps out of the bushes, “Ahha!” he said and the fisherman spun around and yelled “Shiiiit!”. The Inspector, who wasn't expecting such a response said “Settle down, I'm the Fishing Inspector”. “Thank God for that” said the fisherman, “I thought you were the bugger who owned this fish trap”.

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Calculate the number 7790

NUMBERMANIA: Calculate the number 7790 using numbers [7, 9, 9, 4, 81, 881] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 2
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 (6, 8, 9, 10, 12, 13, 16, 18, 19, 70, 87) 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: 2
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If ac202 - caa0a = bc2ab find number abc. Multiple solutions may exist.
Correct answers: 8
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: 8
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 1164

NUMBERMANIA: Calculate the number 1164 using numbers [8, 1, 1, 5, 47, 984] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 3
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 8a9a3 - a8389 = cbc3b find number abc. Multiple solutions may exist.
Correct answers: 10
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: 3
CHECK ANSWER
#brainteasers #mastermind
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Isidore Geoffroy Saint-Hilaire

Died 10 Nov 1861 at age 55 (born 16 Dec 1805).French zoologist who isnoted for his work studying anatomical abnormalities in humans and lower animals, for which he coined the term “teratology”in 1832. Although his father, Étienne, had initiated such studies, Isidore was the first to publish an extensive study of teratology, organising all known human and animal malformations taxonomically in Histoire générale et particulière des anomalies de l'organisation chez l'homme et les animaux. This taxonomy of mutants paralleled the Linnean system of natural species: assigning to each a class, order, family, genus, and even species. Many of the principles governing abnormal development were enunciated for the first time in this work. Many of hundreds of names for specific malformations are still in use.
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