Comparison Hardest Subjects in School

These are the HARDEST SUBJECTS in school! Ever want to know what percentage of people FAIL ALGEBRA? Or how HARD MANDARIN is?! Watch this video to find out!!!!

This probability comparison/comparison video is made based on community discussions and relevant sources, numbers, and facts listed might not be up to date, valid, or in any specific order.

Sources:
https://pastebin.com/J93kFweg

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