do you want to wear a scarf?would you like to wear a scarf?

do you want to wear a scarf?would you like to wear a scarf?
do you want to wear a scarf?would you like to wear a scarf?

do you want to wear a scarf?would you like to wear a scarf?
意思差不多,都是“想,愿意”,后者更有礼貌

差不多的，want to do=would like to do，语气上有点区别，后者更委婉

一样的，第二句比较委婉一些，更情调对方的意愿一点。

意思一样、
后面那句
委婉一些