Did Haise Sasaki become Kaneki Ken again in episode 12 of Tokyo Ghoul:re? - Quora. Yep, he bloody did.
He is not the original Kaneki. He is not Sasaki Haise. He is the Black Reaper a completely different person with the memories of both Sasaki and Kaneki.
Price, a professor at the Wellcome Trust Centre for Neuroimaging at University College London, and colleagues, tested 33 "healthy and neurologically normal" adolescents aged 12 to 16. Their IQ scores ranged from 77 to 135, with an average score of 112.
IQTest.com is truly unreliable. For your accurate IQ, please take a real standardized IQ test administered by psychologist!