"How are you? I am doing great", is this a natural asnwer?
I ´d like to say something different from the usual " fine".
Is " I am doing great , ok?
And , how to ask back? May I say " what about you? Or just repeat the question?

Thanks

Question

"How are you? I am doing great",   is this a natural asnwer?
I ´d like to say something different from the usual  " fine".
Is  " I am doing great , ok?  
And , how to ask back?  May I say  " what about you?  Or just repeat the question?

Thanks

Answer

I'm good, thanks. And you?

Answer

Yes, all of your suggestions are correct and would be fine.