Yes, Russian is an Indo-European language.
The language that is not an Indo-European language is Japanese.
Yes. Persian is an Iranian language within the Indo-Iranian branch of the Indo-European languages
Yes. Sanskrit is part of the Indo-Iranian branch (or more specifically, Indo-Aryan) of the Indo-European family. It contains similarities in terms of vocabulary that is found in many European languages.
The language that is not classified as an Indo-European language is Japanese.
The oldest known Indo-European language is believed to be Proto-Indo-European, which is the hypothetical common ancestor of all Indo-European languages.
There is no Proto-Indo-European language group. Proto-Indo-European, or PIE, is the hypothetical root language from which Indo-European languages today (and others that are extinct) descend.
Yes it is. Urdu belongs to the Indo-Aryan branch of Indo-European languages.
You can attach the prefix Indo- to it to make the word Indo-European.
Yes, Armenian is an Indo-European language.
Yes, Russian is an Indo-European language.
Yes, Hindi is an Indo-European language. It belongs to the Indo-Iranian branch of the Indo-European language family and is spoken by a large population primarily in India.
Yes, Russian is an Indo-European language belonging to the Slavic family.
Yes it is. Indo-European > Hellenic > Greek. Some people put it as Indo-European > Hellenic > Ionic-Attic > Modern Standard Greek. Hope this helps.
Yes, Russian is an Indo-European language. It belongs to the East Slavic branch of the Indo-European language family.
Proto-Indo-European. (There is also a new theoretical language called Pre-proto-Indo-European).
The language that is not an Indo-European language is Japanese.