What are the box-like structures of stone slabs erected without the use of mortar called?

1. Memorial
2. Megaliths
3. Memorabilia
4. Pillars

How are Megaliths or memorial stones a source of information?

1. Information about religious beliefs
2. Information about tools and implements
3. Information about life of people
4. All of the above

The Velirs extended patronage to poets who acted as

1. administrative agents
2. diplomats and caretakers
3. patrons of other arts
4. All of the above

The Brahmanas during Sangam Age were respectable and learned. They served as

1. Priests
2. Judicial officers
3. Astrologers
4. All of the above.