BRAIN TEASERS
The Most Difficult Tasks (page 284)

The Most Difficult Tasks (page 284)

puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 2831 to 2840.
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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: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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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: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Find number abc

If a10a1 + 919ac = 1229b9 find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #math

Grandpa: boy, how many miles d...

Grandpa: boy, how many miles do you walk to school?
Boy: about a half mile.
Grandpa: when I was your age I walked eight miles to school every day. Boy, what are your grades like?
Boy: they are mostly B's.
Grandpa: when I was your age I got all A's. Boy, have you ever gotten into a fight?
Boy: only two times and the boy beat me up.
Grandpa: When I was your age I was in a fight every day. Boy, how old are you?
Boy: 9 years old.
Grandpa: when I was your age I was 11
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Find number abc

If 3bba4 - 2c008 = 5b8c find number abc. Multiple solutions may exist.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#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.
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 R. Length of words in solution: 7,2,3,4,3.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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Remove 5 letters from this seq...

Remove 5 letters from this sequence (GUBXECASUSNE) to reveal a familiar English word.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles
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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: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
[link]

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: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
[link]

Chess Knight Move

Find the title of movie, using the move of a chess knight. First letter is I. Length of words in solution: 9.
Correct answers: 21
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #wordpuzzles #chessknightmove
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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.
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Lee Raymond Dice

Born 15 Jul 1887; died 31 Jan 1977 at age 89.American zoologist, geneticist and ecologist who introduced biotic provinces to characterize areas of continuous ecological similarity in climate, soils, and topography. He investigated geographical and ecological distribution pertaining to plants and animals in fieldwork throughout the Southwest and Mexico in the 1920s and 30s. When he found C. Hart Merriam's idea of life zones to be inadequate for modeling distribution patterns, he developed his concept of biotic provinces. Dice demonstrated their application in his book, The Biotic Provinces of North America (1943). He is also known for his derivation of the Dice index, a similarity coefficient used to measure degree of association between biotic samples.«
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