Yes, gym is a common noun.
"Park Avenue" is a proper noun, because it is a place. Proper nouns like this should always be capitalized.
Pencil proper or common noun
Exxon is a proper noun
proper noun
Yes, the word 'Ali' is a proper noun, the name of a person.A proper noun is the name or title of a specific person, place, or thing.A proper noun is always capitalized.
proper noun
Gym is a noun.
Proper noun
if you are talking about if it is a common noun or a proper noun, it is a proper noun.
It is a proper noun, because it is the name of a specific thing.
what is trix