Adın ne?(You is singular here) / Adınız nedir?(YOu is respectful here) / İsmin ne?(you is singular here)/ İsminiz nedir?(You is respectful here)ne=what,actually all of them must be as "nedir?" but in turkish we generally use as only "ne" when it is respectful you can't say only "ne" , it must be "nedir?" ad= name, adın=your name, adınız=your name(respectful), isim=name, ismin=your name, isminiz=your name(respectful)
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