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Quiz: Can You Ace This Extremely Difficult Grammar Quiz?

You think English is easy? Try this very well written quiz by Creative Market -

Not a difficult equation but it forces the brain to think differently.

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Amazon.com: Are You Smart Enough to Work at Google?: Trick Questions, Zen-like Riddles, Insanely Difficult Puzzles, and Other Devious Interviewing Techniques You Need ... to Get a Job Anywhere in the New Economy eBook: William Poundstone: Kindle Store

The world turns on symmetry -- from the spin of subatomic particles to the dizzying beauty of an arabesque. But there's more to it than meets the eye. Here, Oxford mathematician Marcus du Sautoy offers a glimpse of the invisible numbers that marry all symmetrical objects. Oxford's newest science ambassador Marcus du Sautoy is also author of The Times' Sexy Maths column. He'll take you footballing with prime numbers, whopping symmetry groups, higher dimensions and other brow-furrowers.

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12 Impossibly Difficult Riddles That Will Confuse You!

After The Mental Illness Diagnosis: Getting on With Life! | When a person is diagnosed with a mental illness they often forget that they need to have a life outside of the diagnosis. They need to enjoy life.

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One of my friends ask me about the answer just now, it seems difficult . If you can find some commons, it will be easier. Hope to hear from you soon

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It Took Some Time

Baú do Luizinho: Um desafio para resolver em menos de 20 segundos

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This is a really interesting and if you looked at it you are a stupid Jk I don't know you I don't think

10 originales acertijos que te harán estrujarte los sesos durante horas -si no miras las soluciones-

10 originales acertijos que te harán estrujarte los sesos durante horas -si no miras las soluciones- | La voz del muro

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