Google image search tells us that all but #2 are Congo the chimp, with #2 being an obvious Pollock.

This type of quiz is used by ignorant dumbasses to demonstrate to other ignorant dumbasses that degenerate art is shit, and 'a fucking chimp can do it.'
Of course, had they seen some fancy looking mathematical formulae, they won't be able to tell gibberish from genius either.

FfffFFuck you!
Hey you!
You call this a hamburger?
Well, I don't call this a hamburger
Hell, I can make a better hamburger with my asshole
Who told you you knew how to cook anyway?

And you call this cup of shit coffee
I'd rather drink from the dick of a goat --Hamburger Martyr