Q. Which among the rulers of Magadh founded the city of Patliputra (Patna) on the bank of river Ganges? Answer: Ajatshatru
Notes: The ancient city of Pataliputra was founded in the 5th century BC by Ajatashatru, king of Magadha. Patna is a riverside city that extends along the south bank of the Ganges (Ganga) River for about 12 miles.