If you find this quiz easy as pie, then you'll be an expert on idioms and similes!
English is surely not the only language to enjoy colourful expressions such as 'easy as pie' ~ though your own original language may well use some other image to express this idea.
Anyway, see how you get on with these!
What with the decline of British manufacturing and engineering over recent decades, Answer 2 has an old-fashioned ring to it ~ but this phrase is still quite widely heard in such circumstances.