3.1 How old are you? 你几岁？Ni ji sui?

1. How old are you?
    你几岁? Ni ji sui?
    你多大? Ni duo da?
    您多大年纪? Ni duo da nianji?
    (Video credits: ChineseFor.Us, posted by YouTube)

2. Revision: Greetings + Age (Video credits: ChineeFor.Us, posted by YouTube)