Who was the founder of Nanda dynasty in Bihar?

Answer: Option A

Mahapadmananda was the founder of the Nanda dynasty in Bihar. He established the Nanda dynasty, which ruled over the Magadha region of ancient India. Mahapadmananda's reign marked a significant period in the history of Bihar and India. The Nanda dynasty played a crucial role in shaping the political landscape of the region during its time of rule.