BRAIN TEASERS
Monthly Archive - August 2020 (page 2)

Monthly Archive - August 2020 (page 2)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 11 to 20.
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Calculate the number 5684

NUMBERMANIA: Calculate the number 5684 using numbers [9, 3, 7, 9, 15, 347] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 10
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math #numbermania
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MAGIC SQUARE: Calculate A*B-C

The aim is to place the some numbers from the list (17, 18, 21, 31, 32, 35, 41, 42, 43, 45, 84, 87, 89) 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 NĂ­lton CorrĂȘa de Sousa.
CHECK ANSWER
#brainteasers #math #magicsquare
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Find number abc

If 9a022 + b3975 = a5c997 find number abc. Multiple solutions may exist.
Correct answers: 20
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math

A man and his wife were sittin...

A man and his wife were sitting in the living room and he said to her, "Just so you know, I never want to live in a vegetative state, dependent on some machine and fluids from a bottle. If that ever happens, just pull the plug."
His wife got up, unplugged the TV and threw out all of his beer.
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Chess Knight Move

Find the title of movie, using the move of a chess knight. First letter is F. Length of words in solution: 7,4.
Correct answers: 46
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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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: 22
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Calculate the number 7419

NUMBERMANIA: Calculate the number 7419 using numbers [6, 2, 9, 6, 82, 867] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 8
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Find number abc

If 3a711 + 1b337 = bcca8 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: 24
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Chess Knight Move

Find the title of movie, using the move of a chess knight. First letter is T. Length of words in solution: 3,9,10.
Correct answers: 39
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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Calculate the number 954

NUMBERMANIA: Calculate the number 954 using numbers [6, 7, 3, 4, 71, 563] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 9
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math #numbermania
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Charles Elton

Born 29 Mar 1900; died 1 May 1991 at age 91.English biologist who is credited with describing the “sociology and economy of animals,”thus outlining the basic principles of modern animal ecology. He thought of the “community”as a group of species related through the food chains. Elton developed the idea of a food chain in 1927. He described the way plants get energy from sunlight, plant-eating animals get their energy from eating plants, and meat-eating animals get their energy from eating other animals. Elton's pyramid of numbers shows how energy flow links organisms to form the biological community. In 1932, Elton created the Bureau of Animal Population at Oxford, which was a mecca for ecologists from around the world, until its demise when he retired in 1967.
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