BRAIN TEASERS
Monthly Archive - April 2018 (page 9)

Monthly Archive - April 2018 (page 9)

brain teasers, puzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 81 to 90.
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I'm done to the chief, And t...

I'm done to the chief, And to the king too; A liquid formed to stone, I can hit and hurt you. What am I?
Correct answers: 34
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #riddles
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Can you name the athletes by the picture?

Can you name the athletes by the picture?
Correct answers: 28
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #riddles #sport
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Calculate the number 2100

NUMBERMANIA: Calculate the number 2100 using numbers [9, 4, 9, 1, 39, 880] and basic arithmetic operations (+, -, *, /). Each of the numbers can be used only once.
Correct answers: 21
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math #numbermania

Dracula friends

Why is no one friends with Dracula?

Because he's a pain in the neck.

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

If c0ba9 + b6970 = 117799 find number abc. Multiple solutions may exist.
Correct answers: 44
The first user who solved this task is Djordje Timotijevic.
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#brainteasers #math
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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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