Q. Which one of the following Janapadas was republican state in sixth century BC?
(a) Kosala
(b) Anga
(c) Mayadha
(d) Vajji
Ans: (d) Vajji
Explanation: The correct answer is (d) Vajji.
Among the given options, Vajji was the republican state in the sixth century BC. The Vajji Janapada, also known as the Vrijji Mahajanapada, was a prominent and powerful republic in ancient India. It was located in the present-day region of Bihar in northeastern India. The Vajji republic had a republican form of government with a council of representatives from different clans and tribes, and it is considered one of the earliest examples of a republican state in India’s history.