Theoretically yes. However there are limits like disk space, bandwidth etc that you need to consider.
Also you are only allowed a limited number of Add-On domains, so you can only have a limited number of completely separate sites (i.e sites that have completely different URLs). If you are happy with accessing your sites through sub-folders (e.g. www.example.com/sitename) then you can have as many sites as your disk space allows.
Does that make sense and answer your question?
well i've 4 different domain and size each website takes 5mb disk space that is all together 20 mb and bandwidth consumption too is not high the give band-width will be ok for me. What u all u suggest me can i host in same a/c.