Which one of the following Janapadas was republican state in sixth century BC

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.