Which of the following pairs about the royal centre of Vijayanagara a…

The correct answer is Option (3) → Building complexes identified as palaces - about thirty

Option (1) Lakes supplying water to the fields inside the city - four — Incorrect. The fields and gardens inside the city got water from two lakes, as an early visitor recorded.

Option (2) Temples within the royal centre - about thirty — Incorrect. The royal centre included over 60 temples, about twice the number of palaces. Royal patronage of temples helped rulers legitimise their authority.

Option (3) Building complexes identified as palaces - about thirty — Correct. About thirty building complexes in the royal centre have been identified as palaces. They are relatively large structures.

Option (4) Lines of fortification round the city and its centres - two — Incorrect. There were at least three lines: a second line round the inner core of the urban complex and a third line round the royal centre, inside the outer wall.