How can I say Hello How are you? In Korean or Chinese!

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Answer

In Korean :-
Hi! = An-yŏng-ha-se-yo. 
How are you? = Chal ji-nae-shŏ-ssŏ-yo?

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In Chinese:-
Hello = 你好!
How are you? = 你好吗？/  你好?

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Hello,

In Chinese you can say:

ni  hao  你好？
which means both 'hello' and 'how are you?'

ni zenme yang ? 你怎么样？
How are you ?

In Korean:

Hi 
An-yŏng-ha-se-yo.   안녕하세요

How are you ?
Chal ji-nae-shŏ-ssŏ-yo?   잘 지내셨어요?

Answer

In Chinese
你好！ means Hello! The pronunciation is similar to ni(你) hao(好).
你怎么样？/你好吗？ means How are you? The pronunciation is similar to
ni(你) zen(怎) me(么)  yang(样)？/ ni(你) hao(好) ma(吗)？