The second one, "Have you been listening to Mozart, or have you another favorite?"
It is Hasty generalization. Hope this helps and I'm not too late!
MLA Style says numbers that can be written in one or two words (three, fifteen, seventy-six, one thousand, twelve billion) and to use numerals for other numbers (2¾; 584; 1,001; 25,000,000). APA Style, uses words for numbers below 10 and numerals for numbers 10 and above.
