BRAIN TEASERS
Monthly Archive - February 2019 (page 4)

Monthly Archive - February 2019 (page 4)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 31 to 40.
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Find number abc

If ac31a - 3bbb9 = ca7b9 find number abc. Multiple solutions may exist.
Correct answers: 39
The first user who solved this task is Nasrin 24 T.
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#brainteasers #math
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What is the missing number?

What is the missing number?
Correct answers: 160
The first user who solved this task is Fazil Hashim.
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#brainteasers #math #riddles
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Guess the Game Name

Look carefully the picture and guess the game name.
Correct answers: 18
The first user who solved this task is Fazil Hashim.
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#brainteasers #games

Typical male

A couple was relating their vacation experiences to a friend. "It sounds as if you had a great time in Texas," the friend observed. "But didn't you tell me you were planning to visit Colorado?"

"Well," the husband said, "we changed our plans because, uh..."

His wife cut in, "Oh, tell the truth, Fred!" He feel silent, and she continued,

"You know, it's just ridiculous. Fred simply will NOT ask for directions."

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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: 40
The first user who solved this task is Nílton Corrêa De Sousa.
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#brainteasers #mastermind
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I look flat, but I am deep, ...

I look flat, but I am deep, Hidden realms I shelter. Lives I take, but food I offer. At times I am beautiful. I can be calm, angry and turbulent. I have no heart, but offer pleasure as well as death. No man can own me, yet I encompass what all men must have. What am I?
Correct answers: 61
The first user who solved this task is Nasrin 24 T.
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#brainteasers #riddles
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Calculate the number 3388

NUMBERMANIA: Calculate the number 3388 using numbers [9, 3, 8, 4, 56, 214] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 19
The first user who solved this task is Thinh Ddh.
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#brainteasers #math #numbermania
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Find number abc

If acc47 + ba878 = 8baba find number abc. Multiple solutions may exist.
Correct answers: 30
The first user who solved this task is Nílton Corrêa De Sousa.
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: 26
The first user who solved this task is Nasrin 24 T.
CHECK ANSWER
#brainteasers #mastermind
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Can you name the athletes by the picture?

Can you name the athletes by the picture?
Correct answers: 21
The first user who solved this task is Chandu Rajyaguru.
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#brainteasers #riddles #sport
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Calculate the number 3473

NUMBERMANIA: Calculate the number 3473 using numbers [4, 5, 8, 7, 28, 365] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 25
The first user who solved this task is Nílton Corrêa De Sousa.
CHECK ANSWER
#brainteasers #math #numbermania
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Edward A. Doisy

Born 13 Nov 1893; died 23 Oct 1986 at age 92.Edward Adelbert Doisy was an American biochemist who shared (with Henrik Dam) the 1943 Nobel Prize for Physiology or Medicine for his isolation and synthesis of vitamin K, a substance that encourages blood clotting (1939), used in medicine and surgery. With the embryologist Edgar Allen (1922-34), he developed assay techniques that facilitated research on sex hormones. Doisy and his associates isolated the sex hormones estrone (theelin, 1929; the first estrogen to be crystallized), estriol (theelol, 1930), and estradiol (dihydrotheelin, 1935). In 1936-39 he isolated two forms of the vitamin, (K1 from lucerne seed and K2 from fish meal, in a pure crystalline form), determined their chemical structures, and synthesized the vitamin.«
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